骨こつ鱗りん

noun

bony scale (of a fish)

Technical term in ichthyology for the hard, plate-like scales found on certain fish such as sturgeons and gars.

• チョウザメの体たい表ひょうは骨こつ鱗りんで覆おおわれている。

  The body surface of sturgeons is covered with bony scales.