The Oxford Thesaurus An A-Z Dictionary of Synonyms - bit n.

1) morsel, piece, scrap, fragment, shred, particle, grain, crumb: We didn't have a bit of food in the house. 2) jot, tittle, whit, scintilla, trace, touch, hint, suggestion, suspicion, particle, iota, speck, atom: There's not the slightest bit of evidence to link her with the crime. 3) moment, minute, second, flash, Colloq two shakes (of a lamb's tail) : I'll be with you in a little bit. 4) piece, share, equity, segment, portion, part, fraction: He owns a little bit of the business.