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English definition of “keel over”

keel over

verb uk phrasal verb with keel   /kiːl/ us  

(PERSON)

to fall over suddenly: He finished the bottle, stood up to leave, and keeled over.

(BOAT)

If a boat keels over, it turns upside down in the water: The storm raged and they struggled to stop the boat from keeling over.
(Definition of keel over from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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