Definition of cryptostoma in English:

cryptostoma

noun

Botany
rare
  • A small circular depression containing finely septate hairs found on the surface of some seaweeds, especially those of the order Fucales.

Origin

Mid 19th century; earliest use found in John Lindley (1799–1865), botanist and horticulturist.

Pronunciation

cryptostoma

/ˌkrɪptə(ʊ)ˈstəʊmə/