Definition of knock-up in English:

knock-up

Line breaks: knock-up

Entry from British & World English dictionary

noun

British
(In tennis or other racket sports) a period of practice play, especially before formal play begins.

Definition of knock-up in:

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Word of the day flagitious
Pronunciation: fləˈdʒɪʃəs
adjective
(of a person or their actions) criminal; villainous