What is the meaning of ?

a clam, Meretrix lusoria

the shell of a clam

an inconsistency

a pussy; a vulva (especially of a young woman)

a geisha becoming a single one after deflowering

a 家紋 (kamon, family crest) consisting of a clam-shaped butterfly, three clams in a circle, five clams, etc.

Abbreviation of 蛤刃 (hamaguriba, a sharp but curved blade).

a 鷺流 (sagiryū) type of kyogen play

Source: wiktionary.org