Entry 2 senses · 2 variants Webster, 1913 Sleave /(slēv)/ · IPA /sliːv/ n. v. t. 01 n. The knotted or entangled part of silk or thread. 1. The knotted or entangled part of silk or thread. “Sleep that knits up the ravell'd sleave of care.” — Shak. 02 v. t. To separate, as threads; to divide, as a collection of threads; to sley; -- a weaver's term. imp. & p. p. Sleaved; p. pr. & vb. n. Sleaving 1. To separate, as threads; to divide, as a collection of threads; to sley; -- a weaver's term.