1. One of the ends of weaver's threads; hence, any soft, short threads or tufts resembling these.
  2. Any coarse yarn; an unraveled strand of rope.
  3. A threadlike part of a flower; a stamen.
  4. A shove out of place; a small displacement or fault along a seam.
  5. A mat made of canvas and tufts of yarn.

v. t.

  1. To furnish with thrums; to insert tufts in; to fringe.
  2. To insert short pieces of rope-yarn or spun yarn in; as, to thrum a piece of canvas, or a mat, thus making a rough or tufted surface.
  3. To play, as a stringed instrument, in a rude or monotonous manner.
  4. Hence, to drum on; to strike in a monotonous manner; to thrum the table.

v. i.

  1. To play rudely or monotonously on a stringed instrument with the fingers; to strum.
  2. Hence, to make a monotonous drumming noise; as, to thrum on a table.