| CARJACKS | • carjacks v. Third-person singular simple present indicative form of carjack. • CARJACK v. to hijack a car. |
| JACKDAWS | • jackdaws n. Plural of jackdaw. • JACKDAW n. a bird resembling a crow. |
| JACKEENS | • jackeens n. Plural of jackeen. • JACKEEN n. (Irish) a person from Dublin, esp. one with a parochial attitude. |
| JACKFISH | • jackfish n. A jack (in any of the senses referring to types of fish). • JACKFISH n. a food fish. |
| JACKINGS | • jackings n. Plural of jacking. • JACKING n. in house dancing, moving the torso forward and backward in a rippling motion. |
| JACKLEGS | • jacklegs n. Plural of jackleg. • JACKLEG n. an amateur; one characterized by unscrupulousness, dishonesty or lack or standards. |
| JACKPOTS | • jackpots n. Plural of jackpot. • JACKPOT n. a top prize or reward. |
| JACKSIES | • jacksies n. Plural of jacksy plural of jacksie. • JACKSIE n. (slang) the posterior, also JAXY, JAXIE, JACKSY. |
| JACKSTAY | • jackstay n. (Nautical) A stay (rope, bar or batten), running along a ship’s yard, to which is attached the head… • jackstay n. (Nautical) A cable between two ships or from a ship to a fixed point which can be used to support a… • jackstay n. (Nautical) A line (rope, webbing or cable), attached to a boat at the ends, to which a safety harness… |
| JANNOCKS | • jannocks n. Plural of jannock. • JANNOCK n. oaten bread. |
| JETPACKS | • jetpacks n. Plural of jetpack. • jet-packs n. Plural of jet-pack. • jet␣packs n. Plural of jet pack. |
| LOCKJAWS | • lockjaws n. Plural of lockjaw. • LOCKJAW n. a form of tetanus. |
| MANJACKS | • manjacks n. Plural of manjack. • MANJACK n. a West Indian tree. |
| PAJOCKES | • PAJOCKE n. (Shakespeare) an obscure word conjectured to be a misprint for peacock, also PAIOCK, PAIOCKE, PAJOCK. |
| SKIPJACK | • skipjack n. Any of several not closely related fish. • skipjack n. (Obsolete) An upstart. • skipjack n. An elaterid; a click beetle. |
| SKYJACKS | • skyjacks v. Third-person singular simple present indicative form of skyjack. • SKYJACK v. to hijack an airplane. |
| SLAPJACK | • slapjack n. (Countable, US, dialect) A type of pancake, or flapjack. • slapjack n. (Uncountable) A simple card game similar to snap. • SLAPJACK n. a flat batter cake cooked on a griddle, also FLAPJACK. |
| STICKJAW | • stickjaw n. Food that is difficult to chew or swallow, such as toffee or pudding. • STICKJAW n. a sweet meat. |