The flexible muscular organ in the mouth that is used to move food around, for tasting and that is moved into various positions to modify the flow of air from the lungs in order to produce different sounds in speech.

(music, transitive, intransitive) On a wind instrument, to articulate a note by starting the air with a tap of the tongue, as though by speaking a 'd' or 't' sound (alveolar plosive).

(uncountable) An Austronesian language of the Polynesian branch spoken in Tonga. / (countable) A person from Tonga or of Tongan descent.

Of, from, or pertaining to Tonga, the Tongan people or the Tongan language.

A phrase that is deliberately designed to be difficult to say correctly, usually because of varying combinations of similar phonemes.

Alternative form of adder's tongue

(idiomatic) The trait of being clever at speaking, often in a deceitful way.

Alternative form of tongue-twister

(idiomatic) A mistake in speech.

Known but not quite remembered.