knock up

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knock up

To gently hit the ball back and forth before a tennis match, as practice or warm-up, and to gauge the state of the playing surface, lighting, etc. See knock-up.

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Official Knock up: if the players knock up together a maximum of five minutes shall be permitted; if they knock up separately each player shall be permitted to knock up for a maximum of five minutes. The Tennis & Rackets Association - Tournament Rules

Collection Edit

Submitted on August 30, 2012

knock up	To impregnate, especially out of wedlock. See knocked up.
knock up	To put together, fabricate, or assemble, particularly if done hastily or temporarily. See also knock together.
knock up	In the morning as by knocking at the door; rouse; call; summon; also, to go door-to-door on election day to persuade a candidate's supporters to go to the polling station and vote. See also knocker up.
knock up	To exhaust; wear out; weary; beat; tire out; to fatigue until unable to do more.
knock up	To become exhausted or worn out; to fail of strength; to become wearied, as with labor; to give out.

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"knock up." Phrases.com. STANDS4 LLC, 2025. Web. 22 Feb. 2025. <https://www.phrases.com/phrase/knock-up_857>.

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