Japanese edit

Kanji in this term

Grade: 2
-
Grade: 2
かい > がい
Grade: 1
on’yomi irregular kun’yomi

Etymology edit

The spelling of the mate portion is ateji (当て字). The (ma) appears to be phonetic, and possibly in reference to the larger size. The (te) is an irregular reading, and likely in reference to the blade-like nature of the shell.

For pronunciation and definitions of 馬刀貝 – 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
蟶貝, 馬蛤貝
(This term, 馬刀貝, is an alternative spelling of the above term.)