definition of
tongue

[1] #1 tongue n. [lingua, glossa, clapper] a mobile mass of muscular tissue covered with mucous membrane and located in the oral cavity. wn

[2] #2 tongue n. [natural language] a human written or spoken language used by a community; opposed to e.g. a computer language. wn

[3] #3 tongue n. [knife] any long thin projection that is transient; "tongues of flame licked at the walls"; "rifles exploded quick knives of fire into the dark". wn

[4] #4 tongue n. a manner of speaking; "he spoke with a thick tongue"; "she has a glib tongue". wn

[5] #5 tongue v. articulate by tonguing, as when playing wind instruments. wn