RECTANGLE

rectangle

(noun) a parallelogram with four right angles

Source: WordNet® 3.1

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Etymology

Noun

rectangle (plural rectangles)

(geometry) A quadrilateral having opposing sides parallel and four right angles.

Hyponyms

• (quadrilateral): oblong (not in technical use)

• (quadrilateral): square

Source: Wiktionary

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Rec"tan`gle (rk"t`g'l), n. Etym: [F., fr. L. rectus right + angulus angle. See Right, and Angle.] (Geom.)

Definition: A four-sided figure having only right angles; a right-angled parallelogram.

Note: As the area of a rectangle is expressed by the product of its two dimensions, the term rectangle is sometimes used for product; as, the rectangle of a and b, that is, ab.

Rec"tan`gle, a.

Definition: Rectangular. [R.]

Source: Webster’s Unabridged Dictionary 1913 Edition

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