| 单词 | fifth-wheel |
| 释义 | > as lemmasfifth-wheel fifth-wheel n. (a) (see quot.); (b) chiefly U.S., something superfluous (elliptical for sense A. 1c above); also as adj. ΘΚΠ the world > relative properties > quantity > sufficient quantity, amount, or degree > excessive amount or degree > [adjective] > excessive or superfluous > superfluous or unnecessary wastec1380 voidc1440 superfluousc1450 supererogative1538 supererogatory1549 supervacaneala1575 supervacaneousa1575 supervacuous1577 supernumerary1617 excrescent1633 expletive1656 expletory1679 supererogant1737 ripieno1781 excrescentitious1833 excrescential1849 fifth-wheel1874 society > travel > means of travel > a conveyance > vehicle > cart, carriage, or wagon > parts of cart or carriage > [noun] > sway-bar or turning-plate sway-bar1796 turning-plate1797 sweep-bar1802 sway plate1842 sweeping-bar1859 wheel-plate1859 fifth-wheel1874 1874 E. H. Knight Pract. Dict. Mech. I. 839/2 Fifth wheel, a wheel or segment above the fore-axle of a carriage and beneath the bed..the fifth wheel forms an extended support to prevent the careening of the carriage bed. 1881 J. W. Burgess Pract. Treat. Coach-building 92 The central circle is the wheel-plate, or, as the Americans term it, the fifth wheel. 1916 O. H. Prouty (title) The fifth wheel: a novel. 1916 O. H. Prouty Fifth Wheel xx. 187 (heading) The fifth wheel gains wings. 1944 H. S. Truman in M. Truman Harry S. Truman (1973) ix. 184 Maybe your dad can make a job out of the fifth wheel office. 1962 Engineering 30 Mar. 418/2 The turntable on a tractor is known as the fifthwheel. 1976 National Observer (U.S.) 24 Apr. 2/5 The vaunted and proud FSO ‘generalist’ has become a fifth wheel in many posts. < as lemmas |
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