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JACK | A common term for the jack-cross-trees. (See UNION.) |
JACK-BLOCK | A block used in sending topgallant masts up and down. |
JACK-CROSS-TREES | Iron cross-trees at the head of long topgallant masts. |
JACK-STAFF | A short staff, raised at the bowsprit cap, upon which the Union Jack is hoisted. |
JACK-STAYS | Ropes stretched taut along a yard to bend the head of the sail to. Also, long strips of wood or iron, used now for the same purpose. |
JACK-SCREW | A purchase, used for stowing cotton. |
JACOB'S LADDER | A ladder made of rope, with wooden steps. |
JAWS | The inner ends of booms or gaffs, hollowed in. |
JEERS | Tackles for hoisting the lower yards. |
JEWEL-BLOCKS | Single blocks at the yard-arms, through which the studdingsail halyards lead. |
JIB | A triangular sail set on a stay, forward.
Flying jib sets outside of the jib; and the jib-o'-jib outside of that. |
JIB-BOOM | The boom, rigged out beyond the bowsprit, to which the tack of the jib is lashed. |
JIGGER | A small tackle, used about decks or aloft. |
JOLLY-BOAT | A small boat, usually hoisted at the stern. |
JUNK | Condemned rope, cut up and used for making mats, swabs, oakum, &c. |
JURY-MAST | A temporary mast, rigged at sea, in place of one lost. |
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