reel (n.1)

"frame turning on an axis," especially one on which thread is wound, late Old English hreol "reel for winding thread," from Proto-Germanic *hrehulaz; probably related to hrægel "garment," and Old Norse hræll "spindle," from PIE *krek- "to weave, beat" (source also of Greek krokus "nap of cloth").

Specifically of the fishing rod attachment from 1726; of a film projector apparatus from 1896. Reel-to-reel type of tape deck is attested from 1958.

reel (n.2)

"lively Highland dance," 1580s, probably a special use of reel (n.1), which had a secondary sense of "a whirl, whirling movement" (1570s) or from reel (v.1). Applied to the music for such a dance from 1590s.

reel (v.1)

"to whirl around," late 14c., also "sway, swing, rock, become unsteady" (late 14c.), "stagger as a result of a blow, etc." (c. 1400), probably from reel (n.1), on notion of "spinning." Of the mind, from 1796. Related: Reeled; reeling.

reel (v.2)

"to wind on a reel," late 14c., from reel (n.1). Verbal phrase reel off "recite without pause or effort" is from 1837. Fishing sense is from 1849. Related: Reeled; reeling.

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Definitions of reel from WordNet
reel (n.)
a roll of photographic film holding a series of frames to be projected by a movie projector;
reel (n.)
music composed for dancing a reel;
reel (n.)
winder consisting of a revolving spool with a handle; attached to a fishing rod;
reel (n.)
a winder around which thread or tape or film or other flexible materials can be wound;
Synonyms: bobbin / spool
reel (n.)
a lively dance of Scottish Highlanders; marked by circular moves and gliding steps;
Synonyms: Scottish reel
reel (n.)
an American country dance which starts with the couples facing each other in two lines;
Synonyms: Virginia reel
reel (v.)
walk as if unable to control one's movements;
Synonyms: stagger / keel / lurch / swag / careen
reel (v.)
revolve quickly and repeatedly around one's own axis;
Synonyms: spin / spin around / whirl / gyrate
reel (v.)
wind onto or off a reel;