单词 | guard-rail |
释义 | guard-railn. 1. A hand- or other rail for the purpose of guarding against accidents by falling, being caught in machinery, etc.Nautical. (a) A hand-rail on the paddle box bridge of a steam-vessel. (b) A breast rail on the break of the poop. (c) A safety rail round a hatch-way (1875 E. H. Knight Pract. Dict. Mech.). ΘΚΠ the world > space > relative position > closed or shut condition > that which or one who closes or shuts > a barrier > [noun] > hedge or fence > a fence > post-and-rail fence > rail kneeling-rail1703 fence-raila1744 split rail1826 slip-rail1827 shoot-rail1856 guard-rail1860 spar1882 rail- 1860 Mercantile Marine Mag. 7 218 The guard-rail..had been heightened. 1894 Outing July 250/1 Hanging upon the upright posts were a barometer, a thermometer, and the Professor's banjo. There was also a small mariner's compass let into the guard-rail. 2. Railways. (See quot. 1875.) ΚΠ 1875 E. H. Knight Pract. Dict. Mech. Guard-rail, a short rail placed on the inside of a main rail, so as to keep a wheel on the track by pressing against the inside of the flange of the wheel. It is used when there is a short break in the continuity of the other rail, as in switches and crossings. A safety, side, or wing rail. 1888 Engineer LXV. 295/1 The trestle had..no guard-rails. Derivatives guard-rail v. to furnish with a guard-rail. ΚΠ 1891 R. Kipling City Dreadful Night 67 Our machinery is fenced and guard-railed as much as possible, and these men don't get caught up by the belting. This entry has not yet been fully updated (first published 1900; most recently modified version published online March 2019). < n.1860 |
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