Thrum (?), n. [OE. thrum, throm; akin to OD. drom, D. dreum, G. trumm,
lump, end, fragment, OHG. drum end, Icel. &?;römr edge, brim, and L.
terminus a limit, term. Cf. Term.] [Written also thrumb.] 1. One of the
ends of weaver's threads; hence, any soft, short threads or tufts
resembling these.