thrumming

noun

1. 1. the row of warp thread ends left on a loom when the web is cut off
   2. any of these ends
2. any short end thread or fringe
3. Naut. short pieces of woolen or hempen yarn for thrumming canvas

transitive verb thrummed, thrumming

1. to provide with or make of thrums; fringe
2. Naut. to insert thrums in (canvas) to make a rough surface for preventing chafing, stopping leaks, etc.