Main Entry: ¹thrum

Pronunciation: \ˈthrəm\

Function: noun

Etymology: Middle English, from Old English -thrum (in tungethrum ligament of the tongue); akin to Old High German drum fragment

Date: 14th century

1 a (1) : a fringe of warp threads left on the loom after the cloth has been removed (2) : one of these warp threads b : a tuft or short piece of rope yarn used in thrumming canvas —usually used in plural c : bit, particle
2 : a hair, fiber, or threadlike leaf on a plant; also : a tuft or fringe of such structures

— thrum adjective