a for lifting consisting of a steadied by a threaded support and carrying a plate or other part bearing the load.
another name for screw jack
noun, Slang: Vulgar. 1. anything at all; the least thing (usually used in the negative): He doesn’t know jack shit. noun phrase Nothing at all; diddly, zilch: They had it, but jack shit was what they had/ I didn’t know jackshit about it/ ”Ex-model” means jackshit (1970s+ Southern students)
[jak-shaft, -shahft] /ˈdʒækˌʃæft, -ˌʃɑft/ noun, Machinery. 1. Also called countershaft. a short , connected by belting, gears, etc., that transmits motion from a motor or engine to a machine or machines being driven (distinguished from ). 2. a on which an idle wheel or fairlead turns. /ˈdʒækˌʃɑːft/ noun 1. a short length of shafting that […]
/ˈdʒæksɪ/ noun 1. (Brit, slang) the buttocks or anus Also called jaxie, jaxy
[jak-smelt] /ˈdʒækˌsmɛlt/ noun, plural jacksmelts (especially collectively) jacksmelt. 1. a large silversides, Atherinopsis californiensis, found along the coast of California, that grows to a length of 22 inches (55 cm). /ˈdʒækˌsmɛlt/ noun (pl) -smelts, -smelt 1. a marine teleost food fish, Atherinopsis californiensis, of American coastal waters of the North Pacific: family Atherinidae (silversides)