[f. Billy, familiar perversion of Willie, hypocoristic or pet form of William: cf. Bobby = Robby = Robert.]
1. A term applied to various machines and implements: as, a. a slubbing or roving machine; b. a highwaymans club; c. an Australian bushmans tea-pot. Cf. uses of BETTY, JACK, JEMMY, JENNY.
1795. Edin. Advert., 6 Jan., 15/1. Five common carding engines four pickers, four roving billies, twenty-one spinning jeannies.
1865. Times, 28 April, 12/3. The man struck Mr. Seward on the head with a billy, severely injuring the skull, and felled him almost senseless.
1872. Baden Powell, New Homes, 48. Men travelling about invariably carry their billy or quart tin pot, wherein to make tea.
1875. Ure, Dict. Arts, III. 1165. The slubbing machine, or billy.
1881. Cheq. Career, 361. To cook dampers and boil a billy are works of art.
2. Comb. In names of animals, plants, etc., mostly local: as billy-biter, the Blue Titmouse; billy-button, local name of the Bachelors Button, Field Scabious, Double Daisy, Red Campion, and various other plants; billy-wix, the Tawny Owl. Billy roller, the wooden roller of a slubbing billy (see quot.). See also the following words.
1843. Penny Cycl., XXV. 4/1. Draws back his hand well pecked by the irritated matron. Hence he calls it Billy Biter.
1834. Blackw. Mag., XXXV. 297. Down came on his head the patriotic billy-roller.
1875. Ure, Dict. Arts, III. 1166. This is the billy-roller, so much talked of in the controversies between the operatives and masters in the cotton-factories, as an instrument of cruel punishment to children, though no such machine has been used in cotton-mills for half a century at least.