SINCE 1828

An Encyclopædia Britannica Company

knock in

phrasal verb

Definition of knock in

baseball

: to cause (a run or runner) to score

He knocked in a run in the second inning with a double to left field.

Word by Word Definitions

knock play

: to strike something with a sharp blow
: to collide with something
: bustle

: a sharp blow : rap, hit
: a severe misfortune or hardship
: setback, reversal

See the full definition of knock

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