A joint, in flooring or panelling, made by fitting a ridge (tongue) along the edge of one board into a corresponding slot (groove) on another.

(idiomatic) Articulate, charming, eloquent.

A verbal rebuke, often severe.

To speak in a language unknown to the speaker, especially when in a state of religious ecstasy; glossolalia.

plural of adder's tongue

Any of several ferns in the genus Ophioglossum, whose spores are produced on a spike resembling a serpent's tongue.

plural of tongue ring

A decorative ring that is worn in a person's pierced tongue.

Having an acrid or bitter wit. Often said of someone skilled at or given to insulting or belittling others.

Synonym of French kiss: kissing involving the tongue.