| AMBERJACKS | • amberjacks n. Plural of amberjack. • AMBERJACK n. a large Atlantic gamefish having golden markings when young. |
| APPLEJACKS | • applejacks n. Plural of applejack. • APPLEJACK n. apple brandy, distilled from fermented apple juice, also APPLECART. |
| BLACKJACKS | • blackjacks n. Plural of blackjack. • blackjacks v. Third-person singular simple present indicative form of blackjack. • Blackjacks n. Plural of Blackjack. |
| CARJACKERS | • carjackers n. Plural of carjacker. • CARJACKER n. one who steals cars by holding up their owners and demanding the keys. |
| CHEAPJACKS | • cheapjacks n. Plural of cheapjack. • CHEAPJACK n. a travelling hawker who professes to give a great bargain. |
| JACKALOPES | • jackalopes n. Plural of jackalope. • JACKALOPE n. a mythical animal that is reported chiefly from the western US and is reputed to be the size of a small deer and to have the body of a jackrabbit and the horns of an antelope. |
| JACKANAPES | • jackanapes n. (Obsolete) A monkey. • jackanapes n. (Dated, derogatory) An impudent or mischievous person. • jackanapes n. Plural of jackanape. |
| JACKASSERY | • jackassery n. The foolish or obnoxious behaviour of a jackass. • JACKASSERY n. being a jackass. |
| JACKPLANES | • jackplanes n. Plural of jackplane. • jack␣planes n. Plural of jack plane. • JACKPLANE n. a large woodworking plane. |
| JACKSHAFTS | • jackshafts n. Plural of jackshaft. • JACKSHAFT n. an intermediate shaft e.g. between a motor and the wheels it drives. |
| JACKSTAFFS | • jackstaffs n. Plural of jackstaff. • jack-staffs n. Plural of jack-staff. • JACKSTAFF n. a short staff at a ship's bow, on which a jack is hoisted. |
| JACKSTAVES | • jackstaves n. Plural of jackstaff. • JACKSTAFF n. a short staff at a ship's bow, on which a jack is hoisted. |
| JACKSTRAWS | • jackstraws n. Plural of jackstraw. • JACKSTRAW n. an effigy stuffed with straw; a scarecrow; hence, a man without property or influence. |
| LANCEJACKS | • lancejacks n. Plural of lancejack. • lance-jacks n. Plural of lance-jack. • LANCEJACK n. a lance corporal. |