py|re|thrum

py|re|thrum
py|re|thrum «py REE thruhm, -REHTH ruhm», noun, plural -thrums.
1. any one of various chrysanthemums, much cultivated for their showy while, lilac, or red flowers: »

The rich “white highlands” whence comes most of Kenya's lucrative coffee, tea, sisal and pyrethrum (Time).

2. an insecticide made of the powdered flower heads of any of certain of these: »

With the appearance of the scientists on the field of battle, the old stand-bys of pyrethrum, oils and arsenic compounds were developed (Science News Letter).

[< Latin pyrethrum feverfew, pellitory < Greek pŷrethron, probably < pŷr fire]

Useful english dictionary. 2012.

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  • Thrum — Thrum, n. [OE. thrum, throm; akin to OD. drom, D. dreum, G. trumm, lump, end, fragment, OHG. drum end, Icel. ?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,… …   The Collaborative International Dictionary of English

  • Thrum cap — Thrum Thrum, n. [OE. thrum, throm; akin to OD. drom, D. dreum, G. trumm, lump, end, fragment, OHG. drum end, Icel. ?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;… …   The Collaborative International Dictionary of English

  • Thrum hat — Thrum Thrum, n. [OE. thrum, throm; akin to OD. drom, D. dreum, G. trumm, lump, end, fragment, OHG. drum end, Icel. ?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;… …   The Collaborative International Dictionary of English

  • 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… …   The Collaborative International Dictionary of English

  • thrum — thrum1 [thrum] n. [ME < OE (in comp.), ligament, akin to Ger trumm < IE base * ter , to pass over, cross > TRANS , TERM2] 1. a) the row of warp thread ends left on a loom when the web is cut off b) any of these ends …   English World dictionary

  • 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 …   The Collaborative International Dictionary of English

  • 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] [1913 Webster] …   The Collaborative International Dictionary of English

  • thrum — [θrʌm] v past tense and past participle thrummed present participle thrumming [Date: 1500 1600; Origin: From the sound] to make a low sound like the sound of an engine ▪ The engine thrummed into life. >thrum[i] n [singular] ▪ the thrum of… …   Dictionary of contemporary English

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