| 释义 |
turtle-back
[turtle n.2]
1. a. An arched structure over the deck of a steamer at the bow, and often also at the stern, to protect it from damage by a heavy sea.
1881Standard 30 Aug. 2/3 Erections for the purposes of shelter, such as turtle-backs, open at one end. 1882Ibid. 14 Aug. 2/4 Covering these are a fine promenade deck amidships and a turtle-back forward. 1886Times 20 Apr. 10/2 He went beneath the turtle-back. 1897Kipling Capt. Cour. i, The second-saloon deck at the stern..was finished in a turtle-back.
b. A rounded projecting boot on a motor vehicle; the lid of this. N. Amer.
1941‘A. A. Fair’ Double or Quits iii. 33 He raised up the turtleback in the car. 1971D. Conover One Man's Island 23 The right fender fell off and rolled into a ditch. I stuck it disgustedly in the turtleback and in the village asked Lloyd at the garage to put it back on.
2. Archæol. A roughly chipped stone implement, having one or both faces slightly convex. Also attrib.
1890W. H. Holmes in Amer. Anthrop. Jan. 14 The familiar turtle-back or one-faced stone, the double turtle-back or two-faced stone. 1912S. H. Warren in Man XII. 205 The present writer also has a Levallois, or ‘turtle-back’ core, which he found in the Lea Valley in 1896.
3. The back of a turtle.
1898G. B. Shaw Let. 18 Oct. (1972) II. 68 They all..betrayed gross ignorance on the points they were most cocksure about, such as riding on turtleback and the like follies. 1905Westm. Gaz. 4 Apr. 3/2 The legends of the peopling of the islands are interesting... Some make the passage on turtle-back; others go afloat on rafts of cocoa-nut shells.
4. A land form likened to the shell of a turtle.
1913Geogr. Jrnl. XLII. 149 Thick forests..alternate with tall grassland and bare and rocky turtlebacks. 1928Amer. Speech IV. 126 ‘Hog-back’ and ‘turtle-back’ are common names for hills or ridges suggesting those forms. 1938Bull. Geol. Soc. Amer. XLIX. 1875 Three turtleback areas have been recognized in the Black Mountains [of Death Valley, California]. They prove to be structural as well as topographic features.
5. attrib., as turtle-back core (see 2); turtle-back scale = turtle-insect (see turtle n.2 5).
1909in Cent. Dict. Suppl. s.v. Scale.
Hence ˈturtle-ˌbacked a., having a back like a turtle's; furnished with a turtle-back (sense 1).
1889[see turtle-deck s.v. turtle n.2 5]. 1891Chambers' Encycl. VII. 421/2 An armoured turtle-backed deck which extends throughout the length of the ship. 1908Blackw. Mag. Jan. 51/1, I can see..a turtle-backed affair pushing out from the advanced trench. |