Definition of lingual tooth in English:

lingual tooth

noun

Zoology
  • 1Any of the teeth borne on the tongues of fishes and some other vertebrates.

  • 2Any of the teeth of the radula or odontophore of a mollusc.

Origin

Early 19th century; earliest use found in Abraham Rees (1743–1825), Presbyterian minister and encyclopaedist. After French dent linguale.