磕

Glyph origin
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Definitions

 * 1) to knock sth. against a hard surface; to dash against a stone
 * 2) to knock an item off another item by hitting them against a hard surface
 * 3) to kowtow
 * 4)  to fight

Kanji

 * 1) hit
 * 2) collide
 * 3) knock into

Hanja

 * 1) bump
 * 2) drumbeat