Sleave \Sleave\, v. t. [imp. & p. p. {Sleaved}; p. pr. & vb. n. {Sleaving}.] To separate, as threads; to divide, as a collection of threads; to sley; -- a weaver's term. Sleaved \Sleaved\, a. Raw; not spun or wrought; as, sleaved thread or silk. --Holinshed.