Meaning

noun the irregular motion of waves (usually caused by wind blowing in a direction opposite to the tide)

noun a small cut of meat including part of a rib

noun a jaw

originFrom Middle English choppen, chappen (“to chop”), of uncertain origin, possibly onomatopoeic, or a variant of chap (“to become cracked”). Cognate with Scots chap (“to chop”). Compare also Saterland Frisian kappe, kapje (“to hack; chop; lop off”), Dutch kappen (“to chop, cut, hew”), German Low German kappen (“to cut off; clip”), German kappen (“to cut; clip”), German dialectal chapfen, kchapfen…

Etymology from Wiktionary, CC BY-SA 3.0