J-Word Vocabulary Definitions
| jabiru. | tropical American wading bird, white plumage, naked neck |
| jaborandi. | shrubs |
| jabot. | lace ruffles |
| jacal. | thatch-roofed wattle and daub hut |
| jacamar. | iridescent, tropical, long bill |
| jacan. | walk-0n-water tropical marsh birds |
| jacaranda. | tropical tree |
| jacklight. | fishing lure |
| jacksnipe. | Old World wading bird, long bill, brownish |
| jackstay. | braces against gaff; top rope, rod or batten from which sail is hung |
| Jacobean. | James I, coin |
| Jacobin. | radical French revolutionary |
| Jacobit. | James II |
| Jacob's ladder. | rope, rigid rungs |
| jaconet. | lightweight cotton lawn (gauze) |
| jacquerie. | 1358: French peasant uprising against nobility |
| jactitation. | false boasting at others' expense; pathological restlessness in bed |
| jaeger. | sea birds that grab food from other birds; huntsman or attendant |
| jagger. | unrefined sugar from palm sap |
| jaguarondi. | long-tailed wild cat |
| jakes. | a privy |
| jalap. | Mexican plant used as cathartic |
| Jainism. | India, denies existence of Supreme Being |
| Jansenism. | predestination, human nature is incapable of good |
| Janissery. | elite Turkish guard, 1300's to 1826 |
| jambeau. | armor for leg below knee, chausse |
| jardiniere. | decorated stand or pot for plants, diced, cooked veggies as garnish |
| jarl. | great medieval Scandinavian chief or nobleman |
| je ne sois quoi. | difficult to say |
| jennet. | small Spanish saddle horse |
| jenny. | female donkey, wren, spinning jenny |
| jess. | strap around the leg of a hawk or falcon |
| jetty. | jet-colored |
| jeunesse doree. | fashionable, wealthy young people |
| jib. | to stop short and turn restively from side to side |
| jibe. | to shift a fore-and-aft sail from side to side while sailing before the wind |
| jigger mast. | the fourth mast aft on a four-masted ship |
| jim-jams. | jitters, DT's |
| jimmies. | chocolate sprinkles on ice cream |
| jink. | to make a quick, evasive turn |
| Job's comforter. | one who discourages or saddens under the guise of support |
| John Dory. | spiny-finned Atlantic fish |
| Johnny-jump-up. | the heartsease |
| joinder. | a joining of causes in a lawsuit |
| jones. | heroin, an addiction to heroin |
| joss. | a Chinese idol or image |
| Johunheim. | Utgard |
| joyance. | delight |
| joypop. | intermittent use of narcotics |
| juba. | West African group dance (in South in 18th & 19th centuries) |
| jubal. | Cain's descendent who invented musical instruments |
| jugate. | a pair of pairs |
| jugum. | a yoke-like structure such as a pair of opposite leaflets |
| juju. | fetish, supernatural power |
| jujuba. | tree, fruit of tree, candy |
| junta. | military officers holding power |
| junto. | small, usually secret conspiracy |
| jurat. | certification of an affidavit certifying when, where, and before whom sworn |
| juris consult. | a legal consultant |
| jus gentium. | law of nations (international law) |
| jussive. | word, mood, or form used to express command |