Main Entry: ¹bit

Pronunciation: \ˈbit\

Function: noun

Etymology: Middle English bitt, from Old English bite act of biting; akin to Old English bītan bite

Date: 14th century

1 a (1) : the biting or cutting edge or part of a tool (2) : a replaceable part of a compound tool that actually performs the function (as drilling or boring) for which the whole tool is designed b plural : the jaws of tongs or pincers
2 : something bitten or held with the teeth: a : the usually steel part of a bridle inserted in the mouth of a horse b : the rimmed mouth end on the stem of a pipe or cigar holder
3 : something that curbs or restrains
4 : the part of a key that enters the lock and acts on the bolt and tumblers

[bit illustration]