A jack (mechanical lifting device) which is operated by turning a leadscrew.
A leadscrew; a screw used to translate rotational into linear motion.
jackstraw
jackstraw
adj
(obsolete, of a person) Of no substance or worth.
Resembling a bundle of jackstraws that has been strewn on a surface.
noun
(dated) An insignificant person.
(usually plural) One of the pieces used for the game called jackstraws or pick-up sticks.
jayhawker
jayhawker
noun
(historical) An abolitionist raider in the Kansas–Missouri border skirmishes during the American Civil War.
Any robber or bandit.
jaywalker
jaywalker
noun
A person who violates pedestrian traffic regulations by crossing a street away from a designated crossing or who walks on the part of the street intended for vehicles instead of the part designated for pedestrians.
jerkwater
jerkwater
adj
(US, colloquial, derogatory) Of an inhabited place, small, insignificant, and backward.
