tongue

[1]	language , lingua , glossa , speech , dialect , clapper , patois , Creole , idiom , parlance , argot , talk , vernacular
[2]	(verbal) expression , natural language , utterance , voice , articulation
[3]	hold (one's) tongue , knife , be/remain/keep silent , keep mum , say nothing/nought , not breathe a word , keep (one's) counsel , not say a word , (Slang) shut up
[4]	slip of the tongue , slip , mistake , gaffe , blunder , faux pas , Freudian slip , (Colloq) (Brit) boob
[5]	(with (one's) tongue in (one's) cheek , spit , facetiously , whimsically , ironically , jocularly , jokingly , not seriously , in jest , jestingly , in fun , to be funny , (Colloq) kiddingly
[6]	clapper