| jackhammer |
a hand-held device powered by compressed air, used to drill rock, cement, or the like; pneumatic drill. |
| Jackie Robinson |
born Jack Roosevelt Robinson, U.S. professional baseball player who in 1947 became the first African American to play in Major League Baseball(b.1919--d.1972). |
| jack-in-the-box |
a toy consisting of a box from which a puppet springs up when the lid is opened. |
| jack-in-the-pulpit |
a North American wildflower having a single vertical spike with a green and purple sheath that forms a hood over its top. |
| Jack Jefferies |
U.S. three-time world champion formation skydiver (b.1966). |
| jackknife |
a large pocketknife whose blade can be folded into the handle. [2 definitions] |
| jacklight |
a light used as a lure in hunting or fishing at night. [2 definitions] |
| jack mackerel |
a mackerellike food fish of the jack family that is found in Pacific coastal waters. |
| jack-of-all-trades |
someone skilled at a wide variety of jobs, esp. those requiring adept use of the hands. |
| jack off |
(vulgar slang) to masturbate. |
| jack-o'-lantern |
a traditional Halloween lamp made from a pumpkin by removing the pulp, carving a face through the shell, and placing a candle in the bottom. |
| jack pine |
an evergreen tree of Canada and the northern United States, having short twisted needles in pairs, woody cones, and soft wood used for paper. |
| jackpot |
stakes that accumulate until they are won, esp. in poker. [2 definitions] |
| jack rabbit |
any of several large hares found in the western United States, characterized by long ears and very long, strong hind legs. |
| jackscrew |
a jack in which the lifting surface is threaded on and operated by a vertical screw. |
| jacksnipe |
a small short-billed snipe of Europe and Asia. [2 definitions] |
| Jackson |
the capital of Mississippi. |
| jackstay |
a rope or rod along a ship's yard, gaff, or boom to which one edge of a sail is fastened. [3 definitions] |
| jackstone |
any of the small stones or metal pieces used in playing jacks. |
| jackstraws |
(used with a sing. verb) a game in which straws or thin strips are tossed into a heap and each player picks up as many as possible without moving the rest. |
| jack-tar |
a sailor. |