Trapezium

[trә'pi:ziәm]

解释:

(noun.) the wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals.

(noun.) a multiple star in the constellation of Orion.

(noun.) a quadrilateral with no parallel sides.

珍妮特手打--From WordNet

解释:

(n.) A plane figure bounded by four right lines, of which no two are parallel.

(n.) A bone of the carpus at the base of the first metacarpal, or thumb.

(n.) A region on the ventral side of the brain, either just back of the pons Varolii, or, as in man, covered by the posterior extension of its transverse fibers.

安格斯校对

解释:

n. a plane figure having four unequal sides no two of which are parallel: one of the wrist-bones—also Trapēze′:—pl. Trapē′zia Trapē′ziums.—n. Trapēze′ a swing of one or more cross-bars used in gymnastic exercises.—adjs. Trapē′zian having opposed trapeziform faces; Trapē′ziform having the form of a trapeze.—n. Trap′ezoid (also Trapē′zoid) a plane four-sided figure like a trapezium having two of its opposite sides parallel.—adj. Trapezoid′al having the form of a trapezoid.

校对:利昂