Definition of linguet in US English:

linguet

noun

Pharmacology
rare
  • A tablet or other formulation of a drug designed for sublingual administration. [A trademark in the United States.]

Origin

1940s; earliest use found in The Official Gazette. From either lingu- or perhaps classical Latin lingua tongue + -et.

Pronunciation

linguet

/ˈlɪŋɡwɪt/