'Thrum' definitions:

Definition of 'thrum'

noun

A thrumming sound; "he could hear the thrum of a banjo"

verb

Sound with a monotonous hum [syn: hum, thrum]

verb

Sound the strings of (a string instrument); "strum a guitar" [syn: strum, thrum]

verb

Make a rhythmic sound; "Rain drummed against the windshield"; "The drums beat all night" [syn: drum, beat, thrum]

From: GCIDE

Thrum \Thrum\, v. t. [imp. & p. p. Thrummed; p. pr. & vb. n. Thrumming.]
1. To furnish with thrums; to insert tufts in; to fringe. [1913 Webster]
Are we born to thrum caps or pick straw? --Quarles. [1913 Webster]
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. [1913 Webster]

From: GCIDE

Thrum \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. [1913 Webster]
2. Hence, to make a monotonous drumming noise; as, to thrum on a table. [1913 Webster]

From: GCIDE

Thrum \Thrum\, v. t.
1. To play, as a stringed instrument, in a rude or monotonous manner. [1913 Webster]
2. Hence, to drum on; to strike in a monotonous manner; to thrum the table. [1913 Webster]

From: GCIDE

Thrum \Thrum\ (thr[u^]m), n. [OE. thrum, throm; akin to OD. drom, D. dreum, G. trumm, lump, end, fragment, OHG. drum end, Icel. [thorn]r["o]mr 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. [1913 Webster]
2. Any coarse yarn; an unraveled strand of rope. [1913 Webster]
3. (Bot.) A threadlike part of a flower; a stamen. [1913 Webster]
4. (Mining) A shove out of place; a small displacement or fault along a seam. [1913 Webster]
5. (Naut.) A mat made of canvas and tufts of yarn. [1913 Webster]
Thrum cap, a knitted cap. --Halliwell.
Thrum hat, a hat made of coarse woolen cloth. --Minsheu. [1913 Webster]