blood cockle, blood clam (an Asian species of bivalve resembling the cockle) (Tegillarca granosa)

a Japanese cockle, an egg cockle: an edible marine bivalve mollusc of family Cardiidae, species Fulvia mutica

Kyūjitai form of 貝殻: shell; seashell

a Triton's trumpet (Charonia tritonis) shell used in ancient times as a horn to signal troop movements

Alternative form of アルカーイダ (aru-Kāida, “al-Qaeda”)

pregnancy, conception

to become pregnant, to conceive

(military, of the Japan Maritime Self-Defense Force) a junior officer

(military, nautical) marine corps

(anatomy) pronation