noun
Cellana toreuma (species of limpet)
A marine gastropod; the name is a specific biological term. Usually written in katakana.
See also: 嫁が笠
磯でヨメガカサガイを見つけた。
I found a Cellana toreuma limpet on the rocky shore.
Katakana spelling is standard for this species name; usually written in kana.
Kanji spelling with 嫁が笠; rarely used in practice.
Alternate kanji spelling; rarely used.
General term for limpets; ヨメガカサガイ is a specific species.
The name likely derives from 嫁が笠 (yome ga kasa, 'bride's hat/umbrella') + 貝 (kai, 'shellfish'), referring to the shell's shape. The exact origin is uncertain.