1. Silk thread that has not yet been twisted; floss
   "The embroiderer carefully separated the sleave before beginning her work"
    
2. The tangled or knotted part of silk thread
   "She patiently worked to untangle the sleave in her sewing box"

1. To separate or untwist threads
   "The weaver carefully sleaved the tangled yarn"

Sounds like: sleeve

Derived forms: sleaves, sleaved, sleaving