noun
Etymology: cardinal (I)
: a tooth of the hinge of a bivalve mollusk's shell situated just under the umbo and often relatively large — compare lateral tooth
noun
Etymology: cardinal (I)
: a tooth of the hinge of a bivalve mollusk's shell situated just under the umbo and often relatively large — compare lateral tooth
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012