noun

a small piece, part, or quantity of something.

give the duck a bit of bread

small portion,small piece,piece,portion,segment,section,part,chunk,lump,hunk,slice,fragment,scrap,shred,flake,chip,shaving,paring,crumb,grain,fleck,speck,spot,drop,pinch,dash,soupçon,modicum,dollop,morsel,mouthful,spoonful,bite,taste,sample,iota,jot,tittle,whit,atom,particle,scintilla,mote,trace,touch,suggestion,hint,tinge,shard,sliver,snippet,snatch,extract,excerpt,gobbet,smidgen,smidge,tad,skerrick,smitch