| 释义 |
cast·er
I. \ˈkastə(r), -ˈaa-, -ˈai-, -ˈȧ-\ noun
(-s)
Etymology: Middle English, from casten to cast + -er
1.
a. : one that casts: as
(1) : a worker who shapes (as in a mold) molten metal, semiliquid clay, or other plastic material into finished products or bodies to be finished especially in founding, jewelry making, brickmaking, tilemaking, or the making of hat blocks — compare molder, pourer
(2) : a machine that casts type
b. also caster plate : a plate (as an electrotype) used as a master printing surface for the molding of other plates — called also master, pattern plate; compare worker
2. also cas·tor \-tə(r)\
a. : a cruet, sifter, or other small container for condiments used at the table
b. : a stand for holding a set of casters
3. also castor [cast (I) (turn) + -er, -or] : a wheel or set of wheels mounted in a frame free to swivel about an axis perpendicular to the axis of the wheel or set and used for supporting furniture, trucks, and various portable machines or inverted on the upper ends of posts for handling plate and sheet metal in rolling mills
4. : the slight usually backward tilt of the upper end of the knuckle pin of an automotive vehicle employed as a means of giving directional stability to the front wheels
II. verb
also castor \“\
(-ed/-ing/-s)
Etymology: caster (I) (wheel)
transitive verb
1. : to mount (as an airplane wheel) so as to permit to swivel freely
< castered nosewheel >
2. : to equip (as table legs) with casters
intransitive verb
: to swivel freely
< castering and steerable nosewheel — Flying > |