Thrum (?), n. [OE. thrum, throm; akin to OD. drom, D. dreum, G. trumm, lump, end, fragment, OHG. drum end, Icel. romr 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.
2.
Any coarse yarn; an unraveled strand of rope.
3. Bot.
A threadlike part of a flower; a stamen.
4. Mining
A shove out of place; a small displacement or fault along a seam.
5. Naut.
A mat made of canvas and tufts of yarn.
Thrum cap, a knitted cap. Halliwell. -- Thrum hat, a hat made of coarse woolen cloth. Minsheu.
© Webster 1913.
Thrum, v. t. [imp. & p. p. Thrummed (?); p. pr. & vb. n. Thrumming.]
1.
To furnish with thrums; to insert tufts in; to fringe.
Are we born to thrum caps or pick straw?
Quarles.
2. Naut.
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.
Totten.
© Webster 1913.
Thrum, v. i. [CF. Icel. ruma to rattle, to thunder, and E. drum.]
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.
© Webster 1913.
Thrum, v. t.
1.
To play, as a stringed instrument, in a rude or monotonous manner.
2.
Hence, to drum on; to strike in a monotonous manner; to thrum the table.
© Webster 1913.