v. Obs. Also 7–8 throst. [irreg. back-formation from THROWSTER.] trans. To throw silk; = THROW v.1 6 b. So Throwsting vbl. sb., silk-throwing; also attrib. throwsting-machine, -mill.

1

1691.  W. Sewel, Dutch Dict., s.v. Reeden, Zy-Reeden, to Throst silk.

2

1825.  J. Nicholson, Operat. Mechanic, 396. A representation of the throwsting-mills. Ibid., 399. The bobbins being thus filled with double or triple threads, are carried back to the throwsting machine, and are there spun or twisted together.

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1844.  G. Dodd, Textile Manuf., vi. 196. The processes of silk-throwing, or ‘throwsting,’ may now be said to be finished.

4