Umbonium costatum (sea snail)
Archaic term for a specific species of sea snail, now usually called キサゴ. Found in classical texts or historical contexts.
See also: キサゴ
In old documents, the sea snail Umbonium costatum is written as 'shitadami'.
Modern common name for the same sea snail; しただみ is the archaic equivalent.
Archaic kanji spelling for a specific sea snail; the word itself is archaic.
Alternate archaic kanji spelling; rarely encountered.
The exact derivation is uncertain; the term is archaic and largely replaced by キサゴ in modern Japanese.