| 单词 | castor-wheel |
| 释义 | > as lemmascastor-wheel castor-wheel n. a small wheel which turns on its own and a vertical axis, used to support or steer an agricultural machine, or enable it to be turned short round. ΘΚΠ society > travel > means of travel > a conveyance > vehicle > vehicles according to means of motion > vehicle moving on wheels > [noun] > parts of vehicle moving on wheels > wheel > of specific type or position cartwheelc1386 truckle1459 trundle1564 clog-wheel1575 trindle1594 coach-wheel1647 roulette1659 roller1763 horizontal wheel1794 castora1800 castor-wheel1805 artillery wheel1834 training wheel1848 trailing wheel1850 spider-wheel1868 front wheel1878 trailer1884 trendle1887 wire wheel1907 square wheels1924 jockey-wheel1952 1805 R. W. Dickson Pract. Agric. I. Pl. ix. to face p. 40 The profile of a six-shared horse-hoe on the principle of the pentagraph, improved by Mr. Amos by the addition of two castor-wheels to regulate depth. a1877 E. H. Knight Pract. Dict. Mech. I. 498/2 The caster-wheel is used as a support to the front parts of machines, such as harvesters..and plowing machines, to enable them to be steered or to turn short around at the end of the row. < as lemmas |
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