BOBBIN n. 2 definitions
A spool or reel of various material and construction, with a head at one or both ends, and sometimes with a hole bored through its length by which it may be placed on a spindle or pivot. It is used to hold yarn or thread, as in spinning or warping machines, looms, sewing machines, etc.
REEL n.
A frame with radial arms, or a kind of spool, turning on an axis, on which yarn, threads, lines, or the like, are wound; as, a log reel, used by seamen; an angler's reel; a garden reel.