Praecipe \Pr[ae]c"i*pe\, n. [L., imperative of praecipere to give rules or precepts. See {Precept}.] (Law) (a) A writ commanding something to be done, or requiring a reason for neglecting it. (b) A paper containing the particulars of a writ, lodged in the office out of which the writ is to be issued. --Wharton.