Japanese edit

Kanji in this term
まて
Hyōgaiji
かい > がい
Grade: 1
kun’yomi

Etymology edit

The spelling is from (mate, razor clam) +‎ (kai, clam, shellfish).

For pronunciation and definitions of 蟶貝 – see the following entry.
マテガイまてがい
[noun] a razor clam, more specifically Gould's razor shell: Solen strictus.
Alternative spellings
馬刀貝, 馬蛤貝
(This term, 蟶貝, is an alternative spelling of the above term.)