verb intransto make a monotonous humto play or pluck a stringed instrument idlyto drum or tap idly verb transto play (a stringed instrument, etc) in an idle or relaxed manner [imitative]
a thread or fringe of threads, e.g. a fringe of warp threads left on a loom after the cloth has been removed, or any of these threads [Old English -thrum, as in tungethrum ligament of the tongue]