n. [ OE. thrum, throm; akin to OD. drom, D. dreum, G. trumm, lump, end, fragment, OHG. drum end, Icel. þrömr 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 ]

v. i. [ CF. Icel. &unr_;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 ]

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 ]

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 ]

a. (Bot.) Having the anthers raised above the stigma, and visible at the throat of the corolla, as in long-stamened primroses; -- the reverse of pin-eyed. [ 1913 Webster ]

a. Like thrums; made of, furnished with, or characterized by, thrums. Dampier. [ 1913 Webster ]

On her head thrummy cap she had. Chalkhill. [ 1913 Webster ]

n. (Bot.) A kind of amaranth (Amarantus caudatus). Dr. Prior. [ 1913 Webster ]