厣 (yǎn) - Operculum — the hard covering or lid found & specifically refers to the shell-like plate that seals

厣Tone 3

yǎn ｜ 11 strokes ｜ radical:

妍嬿

厣 · yǎn

Operculum — the hard covering or lid found in certain mollusks, crustaceans, and some plants;

specifically refers to the shell-like plate that seals the aperture of gastropod shells.

Operculum — the hard covering or lid foundspecifically refers to the shell-like plate that seals

Usage highlights

Snail operculumGastropod operculumCalcareous operculumHorny operculumOperculum sealOperculum function

Synonyms

  • 盖— cover, lid (more general term)
  • 壳盖— shell cover

Usage & contexts

Examples

  • The snail's operculum (螺厣) protects it from predators.
  • Some crabs have an abdominal operculum (腹厣).
  • The gastropod's operculum (螺厣) seals the shell opening when retracted.
  • The operculum (厣) is composed of a horny or calcareous material.

Collocations

  • Snail operculum(螺厣)
  • Gastropod operculum(腹足类厣)
  • Calcareous operculum(钙质厣)
  • Horny operculum(角质厣)
  • Operculum seal(厣封)
  • Operculum function(厣功能)

Cultural background

FAQ
  • The character 厣 is primarily used in biological and zoological contexts, particularly in malacology (the study of mollusks).
  • It is a highly specialized term with limited usage in everyday language or classical literature.

FAQ