What is to prepare; to make ready; to instruct beforehand; to post; to coach; as, to prime a witness; the boys are primed for mischief. [Colloq.] Thackeray called?

prime — To prepare; to make ready; to instruct beforehand; to post; to coach; as, to prime a witness; the boys are primed for mischief. [Colloq.] Thackeray. (Webster's 1913.)

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