Glossary

39 terms from the plates and the lab. Follow a part back to its drawing, or explore a concept in its own guide.

Actionalso rod action
Where along the blank the bend concentrates: fast near the tip, slow toward the butt.123Explore: Rod action explorerSee: Power
Anti-reverse
The mechanism that stops the handle and rotor turning backwards, so a pull works against the drag.45Drawn on: Spinning reelSee: Drag
Arboralso large arbor
The core of a fly reel spool that line is wound onto; a large arbor recovers more line per turn.67Explore: Fly reel mechanismSee: Spool
Bailalso bail arm, bail wire
The wire arm on a spinning reel that guides line onto the line roller and spool when closed and frees it when opened.45Drawn on: Spinning reelSee: Line roller · Rotor
Blankalso rod blank
The blank is the rod's main structural length. Its construction helps determine how much it bends and where the bend develops.1Drawn on: Casting rod · Spinning rodSee: Action · Power
Bodyalso housing, gearbox
The housing that holds the gear train.58Drawn on: Spinning reelSee: Gear ratio
Brake systemalso casting brakes, centrifugal brakes, magnetic brakes, brake dial
The system, usually adjusted on the side plate opposite the handle, that slows a baitcast spool during the cast.9101112Drawn on: Baitcast reelSee: Spool tension knob · Overrun
Butt capalso end cap, butt
The cap that closes the end of the handle.131415Drawn on: Casting rod · Spinning rodSee: Rear grip
Dragalso drag system
The adjustable resistance that lets the spool yield line under a pull stronger than its setting.81617Drawn on: Spinning reelSee: Star drag
Ferrulealso joint
The joint where the sections of a multi-piece rod fit together.141819Drawn on: Casting rod · Spinning rod
Fore gripalso foregrip, front grip
The short handle section ahead of the reel seat.1520Drawn on: Casting rod · Spinning rodSee: Rear grip
Frame
The structure that carries a baitcast or conventional reel's spool between its side plates.8Drawn on: Baitcast reelSee: Side plate
Free spoolalso free-spool, disengaged spool
The state in which a revolving spool is released from the gears and turns on its own.82122Explore: Conventional reel mechanismSee: Thumb bar
Gear ratioalso retrieve ratio
How many times the rotor or spool turns for one turn of the handle, written like 6.2:1.811172324Explore: Gear ratio calculatorSee: Line per turn
Guidealso running guide, eye
A ring on a frame, wrapped to the blank, that holds the line along the rod so the whole blank shares the load.25Drawn on: Casting rod · Spinning rodSee: Stripper guide · Tip top · Guide wrap
Guide wrapalso winding, thread wrap, wrapping
The thread windings, sealed under finish, that hold each guide's feet to the blank.151826Drawn on: Casting rod · Spinning rodSee: Guide
Handlealso crank
The crank the angler turns.4527Drawn on: Baitcast reel · Spinning reel
Hook keeperalso keeper ring, lure keeper
A small loop above the grip for parking the hook when the rod is not in use.1518Drawn on: Casting rod · Spinning rod
Level windalso line guide, worm gear guide
The guide that walks line back and forth across a baitcast reel's spool as the handle turns.828Drawn on: Baitcast reel
Line per turnalso inches per turn, IPT, line recovery, retrieve rate
How much line one turn of the handle winds on. Depends on spool diameter and fill as well as gear ratio.1724Explore: Line per turn calculatorSee: Gear ratio
Line rolleralso roller
The small wheel on the bail arm that line runs over as it is wound on.2829Drawn on: Spinning reelSee: Bail · Line twist
Line twistalso twist
Twisting of the line along its length, which can make it leave a spinning reel in loose coils. Incorrect spooling and a binding line roller are possible causes.101128Explore: Spinning reel partsSee: Line roller
Overrunalso backlash, bird's nest
Loose line piling on a revolving spool when the spool keeps turning faster than line is leaving.9113031Explore: Baitcaster overrunSee: Brake system · Spool tension knob
Pickup pinalso pick-up pin
The pin inside a spincast reel's cover that catches the line and winds it onto the fixed spool.16Explore: Spincast mechanismSee: Spool
Poweralso rod power
The load needed to flex a rod. Compare power labels within their stated rod series and application; the physical mass of the rod is a separate measurement.123283233Explore: Rod power explorerSee: Action
Rear gripalso handle, butt grip, butt section
The main handle behind the reel seat.1534Drawn on: Casting rod · Spinning rodSee: Butt cap
Reel footalso foot
The flat plate on a reel that slides into the rod's reel seat.45Drawn on: Baitcast reel · Spinning reelSee: Reel seat · Stem
Reel seatalso seat
The reel seat secures the reel foot to the rod. The screw-locking example uses hoods and a locking ring; other seat designs differ.2534Drawn on: Casting rod · Spinning rodSee: Reel foot · Trigger
Rotor
The part of a spinning reel that revolves around the spool, carrying the bail and line roller.5172835Drawn on: Spinning reelSee: Spool · Bail
Side platealso sideplate, palm plate
A cover beside the spool. On the baitcaster shown, one side encloses gears and the other supports the brake assembly.8Drawn on: Baitcast reelSee: Frame
Spool
The drum that stores line. On a spinning reel it does not rotate during normal casting or retrieval, but can turn when drag pays out line.51628Drawn on: Baitcast reel · Spinning reelSee: Rotor · Arbor
Spool tension knobalso cast control knob, tension knob
The knob on the handle side of a baitcast reel that sets how freely the spool shaft turns.89101112Drawn on: Baitcast reelSee: Brake system
Star dragalso drag star
The star-shaped wheel behind the handle of a baitcast or conventional reel that sets the drag.822Drawn on: Baitcast reelSee: Drag
Stemalso reel stem, leg
The arm joining a spinning reel's foot to its body.45Drawn on: Spinning reelSee: Reel foot
Stripper guidealso butt guide, first guide, gathering guide
The first and largest guide after the reel on a spinning rod, sized to gather the coils that leave a fixed spool.34Drawn on: Spinning rodSee: Guide
Thumb baralso clutch bar, clutch, free-spool button
The bar pressed to disengage a baitcast reel's spool from the gears for the cast.8Drawn on: Baitcast reelSee: Free spool
Tip topalso tip guide, top guide
The last guide on a rod, fitted over the end of the blank; the point where line leaves the rod.141518Drawn on: Casting rod · Spinning rodSee: Guide
Triggeralso trigger grip
The finger hook under a casting rod's reel seat that lets the hand hold the rod with the reel on top and the thumb on the spool.34Drawn on: Casting rodSee: Reel seat
Winding checkalso trim ring
A winding check is a trim ring fitted where a grip or reel seat meets exposed blank; its position depends on the handle design.2636Drawn on: Casting rod · Spinning rodSee: Fore grip

Sources

First cited on this page
  1. Shimano: Rod action and power explained · accessed Sep 21, 2026
  2. Vermont Fish & Wildlife: Spinning rods and reels · accessed Sep 26, 2026
  3. Kentucky Department of Fish and Wildlife Resources (Kentucky Afield column, via Northern Kentucky Tribune): Kentucky Afield Outdoors: Understanding fishing rod terminology can help up your angling game (7 Jun 2024) · accessed Sep 26, 2026
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