~ 1
■ noun a hole in a ship's side to allow water to run away from the deck.
Origin
ME: perh. via Anglo-Norman Fr. from OFr. escopir 'to spit'.
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~ 2
■ verb chiefly Brit.
1》 sink (a ship) deliberately.
2》 informal prevent from working or succeeding; thwart.
Origin
C19 (as military sl. in the sense 'kill, especially in an ambush'): of unknown origin.