jewel blockn.

Brit.

/ˈdʒuː(ə)l blɒk/, U.S.

/ˈdʒu(ə)l ˌblɑk/

Origin: Formed within English, by compounding. Etymons: jewel n., block n.

Etymology: < jewel n. + block n., so called on account of its hanging like a jewel on the pendant (pendant n. 4) at the end of a spar.

Nautical.

A block suspended on a pendant (pendant n. 4) at the end of a spar, used to alter the direction of a line, rather than for mechanical advantage; esp. each of two such blocks at the extremities of the main and fore-topsail yards, through which the halyards of the studdingsails pass.

ΘΚΠ

society > travel > travel by water > vessel, ship, or boat > equipment of vessel > tackle or purchase > [noun] > system of) pulley(s) > for raising or lowering sails

ram-head1514

ram's head1627

jewel block1769

sister block1794

sister1834

1769 W. Falconer Universal Dict. Marine at Jewel-blocks The haliards, by which those studding-sails are hoisted, are accordingly passed through the jewel-blocks.

1842 J. F. Cooper Wing-and-Wing I. xiv. 219 There was a horrible minute..when the body..hung, like one of the jewel-blocks of the ship, dangling passively at the end of the spar.

1966 Mariner's Mirror 52 223 If the jewel block were at the extremity of the lower yard and the studdingsail yard slung in the middle, the inner head earing would have been 48 ft out.

2001 J. Leather Gaff Rig Handbk. (ed. 2) v. 54/2 The sheet leads down and forward from the gaff-end block, through a single-lead block or jewel block, hanging on a pendant from the throat of the gaff.

This entry has been updated (OED Third Edition, December 2019; most recently modified version published online March 2022).

单词	jewel block
释义	jewel blockn. Brit. /ˈdʒuː(ə)l blɒk/, U.S. /ˈdʒu(ə)l ˌblɑk/ Origin: Formed within English, by compounding. Etymons: jewel n., block n. Etymology: < jewel n. + block n., so called on account of its hanging like a jewel on the pendant (pendant n. 4) at the end of a spar. Nautical. A block suspended on a pendant (pendant n. 4) at the end of a spar, used to alter the direction of a line, rather than for mechanical advantage; esp. each of two such blocks at the extremities of the main and fore-topsail yards, through which the halyards of the studdingsails pass. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > tackle or purchase > [noun] > system of) pulley(s) > for raising or lowering sails ram-head1514 ram's head1627 jewel block1769 sister block1794 sister1834 1769 W. Falconer Universal Dict. Marine at Jewel-blocks The haliards, by which those studding-sails are hoisted, are accordingly passed through the jewel-blocks. 1842 J. F. Cooper Wing-and-Wing I. xiv. 219 There was a horrible minute..when the body..hung, like one of the jewel-blocks of the ship, dangling passively at the end of the spar. 1966 Mariner's Mirror 52 223 If the jewel block were at the extremity of the lower yard and the studdingsail yard slung in the middle, the inner head earing would have been 48 ft out. 2001 J. Leather Gaff Rig Handbk. (ed. 2) v. 54/2 The sheet leads down and forward from the gaff-end block, through a single-lead block or jewel block, hanging on a pendant from the throat of the gaff. This entry has been updated (OED Third Edition, December 2019; most recently modified version published online March 2022). < n.1769
随便看	spitting pot spitting range spitting sheet spitting sickness spitting snake spitting up spitting vase spitting-box spitting-cup spitting-dish spitting-drop spitting-kettle spitting-mug spitting-pan spitting-pill spittingbox spittingcup spittingdish spittingdrop spittingkettle spittingmug spittingpan spittingpill spittings spittle