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.
noun
(US, historical) A train on a branch line.
A jerkwater town.
jewellers
jewellers
noun
plural of jeweller
jewellery
jewellery
noun
Collectively, personal ornamentation such as rings, necklaces, brooches and bracelets, made of precious metals and sometimes set with gemstones.
jewelries
jewelries
noun
plural of jewelry
verb
Third-person singular simple present indicative form of jewelry
jimberjaw
jointworm
jointworm
noun
The larva of a hymenopterous insect, Tetramesa tritici, found in gall-like swellings on wheatstalks, usually around the first joint.