ギボシムシ

noun

acorn worm

Refers to any hemichordate of the class Enteropneusta. A technical term in zoology; in everyday contexts, it is rarely encountered.

• 干ひ潟がたでギボシムシの巣す穴あなを見みつけた。

  I found acorn worm burrows on the tidal flat.

• ギボシムシは半はん索さく動どう物ぶつに分ぶん類るいされる。

  Acorn worms are classified as hemichordates.