| 单词 | caster |
| 释义 | caster —casterless, adj. /kas"teuhr, kah"steuhr/, n. 1. a person or thing that casts. 2. a small wheel on a swivel, set under a piece of furniture, a machine, etc., to facilitate moving it. 3. a bottle or cruet for holding a condiment. 4. a stand containing a set of such bottles. 5. a metal container for sugar, pepper, etc., having a perforated top to permit sprinkling; dredger; muffineer. 6. Auto. the angle that the kingpin makes with the vertical. Automobiles are usually designed with the upper end of the kingpin inclined rearward (positive caster) for improved directional stability. v.i. 7. (of a wheel) to swivel freely in a horizontal plane. Also, castor (for defs. 2-5). [1300-50; ME; see CAST1, -ER1] |
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