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单词 rough-tree
释义

rough-treen.

Brit. /ˈrʌftriː/, U.S. /ˈrəfˌtri/
Origin: Apparently a variant or alteration of another lexical item. Etymons: roof-tree n., rough adj., tree n.
Etymology: Apparently originally a variant of roof-tree n. (compare roof-tree n. 2, and see forms and discussion at that entry), reflecting a pronunciation with /ʌ/ in the first element (apparently resulting from vowel shortening), but reinterpreted from an early date as if < rough adj. + tree n. (compare sense 1).
Nautical. Now historical.
1. A roughly shaped but unfinished spar (spar n.1 4), esp. one carried on a ship as a spare mast.
ΘΚΠ
society > travel > travel by water > vessel, ship, or boat > equipment of vessel > masts, rigging, or sails > spar > [noun] > mast > temporary or emergency mast
jury-mast1616
rough-tree1625
1625 S. Purchas Pilgrimes II. ix. xiv. 1579 They began to light their Matches to shoot at vs, which as soone as wee perceiued, wee..made fast the doore, and one of the rough trees crosse all the Bulke head.
1629 High Court of Admiralty Exam. 48 Took the rough trees of the shipp and nayled deales upon them and launched them overboard.
1769 W. Falconer Universal Dict. Marine Rough-tree, a name given in merchant-ships..to any mast, &c. which remains rough and unfinished.
1846 A. Young Naut. Dict. Rough-Tree, an unfinished spar.
1982 P. Clissold Layton's Dict. Naut. Words (rev. ed.) 284 Rough Tree, shaped, but unfinished, mast or spar.
2. A stay or beam forming the upper part of the bulwarks of a ship, between the quarterdeck and the forecastle, used to support netting, rails, etc., to provide protection for the crew. In later use only in compounds.
ΘΚΠ
society > travel > travel by water > vessel, ship, or boat > equipment of vessel > masts, rigging, or sails > spar > [noun] > unfinished
rough-tree1671
1671 E. Phillips New World of Words (new ed.) Rough-trees, in Navigation, are small timbers to bear up the gratings from the half-Deck to the forecastle.
1769 W. Falconer Universal Dict. Marine Rough-tree, a name given in merchant-ships to any mast, yard, or boom, placed as a rail or fence above the ship's side, from the quarter-deck to the fore-castle.
1791 S. Kelly 18th Cent. Seaman (1925) 198 As the rail, or rough tree was broken, we got in the spritsail yard to replace it.
1846 A. Young Naut. Dict. Waist-Tree or Rough-Tree, a spare spar placed along the side of a ship's waist where there happens to be no bulwark, in order to protect persons from falling overboard.
1867 W. H. Smyth & E. Belcher Sailor's Word-bk. 581 Upright pieces of timber placed at intervals..to support the rough-tree.

Compounds

C1.
rough-tree rail n. a length of timber forming the upper rail of the bulwarks on a ship's side. [So called on account of the former practice in merchant vessels of carrying their ‘rough’ or spare spars in crutches along the waist.]
ΘΚΠ
society > travel > travel by water > vessel, ship, or boat > parts of vessels > part of vessel above water > [noun] > rails or mouldings > at sides
lee-rail1513
waist1667
sheer-rail1769
rough-tree rail1780
foot rail1781
waist-rail1804
side rail1903
1780 Boyer's Dictionnaire Royal (rev. ed.) I. 264/2 Filarets,..rails to extend the netting on a ship's quarter, waist or forecastle, or rough-tree-rails.
1820 W. Scoresby Acct. Arctic Regions II. vii. 440 Our ship frequently rolled the lee-boats into the water, that were suspended with their keels above the roughtree-rail!
1982 P. Clissold Layton's Dict. Naut. Words (rev. ed.) 284 Rough Tree Rail, timber resting on tops of frames and forming the upper part of a bulwark.
2005 K. H. Marquardt 44-gun Frigate USS Constitution 24 A vessel with an open rough tree rail along the whole sheer from bow to stern.
C2.
rough-tree timber n. any of the upright lengths of timber supporting the rough-tree rail.
ΚΠ
1821 J. Fincham Introd. Outl. Pract. Ship-Building 207 When there is only a rough-tree-rail, it is fixed in the space between the side counter and one of the rough tree timbers.
1867 W. H. Smyth & E. Belcher Sailor's Word-bk. 581 Rough Tree Timber, upright pieces of timber placed at intervals along the side of a vessel, to support the rough-tree.
1919 A. Ansted Dict. Sea Terms at Rough Rough tree timbers, the stanchions supporting the rough tree rail.
This entry has been updated (OED Third Edition, March 2011; most recently modified version published online March 2022).
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n.1625
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