Definition of Trapezoid

1. Noun. A quadrilateral with two parallel sides.

Geographical relationships: America, The States, U.s., U.s.a., United States, United States Of America, Us, Usa
Generic synonyms: Quadrangle, Quadrilateral, Tetragon
Derivative terms: Trapezoidal



2. Noun. The wrist bone between the trapezium and the capitate bones.
Exact synonyms: Os Trapezoideum, Trapezoid Bone
Generic synonyms: Carpal, Carpal Bone, Wrist Bone

Definition of Trapezoid

1. n. A plane four-sided figure, having two sides parallel to each other.

2. a. Having the form of a trapezoid; trapezoidal; as, the trapezoid ligament which connects the coracoid process and the clavicle.

Definition of Trapezoid

1. Noun. (geometry) A (convex) quadrilateral with two (non-adjacent) parallel sides. ¹

2. Noun. (anatomy) The trapezoid bone of the wrist. ¹

3. Noun. (geometry British obsolete) A convex quadrilateral with no sides parallel and no equal sides. ¹

¹ Source: wiktionary.com

Definition of Trapezoid

1. [n -S]

Medical Definition of Trapezoid

1. 1. A plane four-sided figure, having two sides parallel to each other. 2. A bone of the carpus at the base of the second metacarpal, or index finger. Origin: Gr. Trapezoid-shaped; table + shape, likeness: cf. F. Trapezoide. See Trapezium. 1. Having the form of a trapezoid; trapezoidal; as, the trapezoid ligament which connects the coracoid process and the clavicle. 2. Of or pertaining to the trapezoid ligament; as, the trapezoid line. Source: Websters Dictionary (01 Mar 1998)

Trapezoid Pictures

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Lexicographical Neighbors of Trapezoid

trapezii
trapezing
trapeziometacarpal
trapezist
trapezists
trapezium
trapezium bone
trapeziums
trapezius
trapezius muscle
trapeziuses
trapezohedra
trapezohedral
trapezohedron
trapezohedrons
trapezoid (current term)
trapezoid body
trapezoid bone
trapezoid bones
trapezoid ligament
trapezoid line
trapezoid ridge
trapezoidal
trapezoids
traphole
trapholes
trapidil
traping
trapless
traplike

Literary usage of Trapezoid

Below you will find example usage of this term as found in modern and/or classical literature:

1. Quain's Elements of Anatomy by Jones Quain, Allen Thomson, George Dancer Thane (1882)
"The trapezium articulates with four bones, viz., the scaphoid, trapezoid, and first and second metacarpals. The pisiform bone lies on a plane anterior to ..."

2. University Arithmetic: Embracing the Science of Numbers, and General Rules by Charles Davies (1867)
"A trapezoid is a four-sided figure ABCD, having two of its sides, AB, DC, parallel. ... To find the area of a trapezoid. Multiply half the sum of the two ..."

3. Graphical Analysis: A Text Book on Graphic Statics by William Sidney Wolfe (1921)
"Centroid of a trapezoid.—The centroid of a trapezoid may be located in several different ... Let it be required to find the centroid of the trapezoid ABCD. ..."

4. The Mechanic's Assistant: A Thorough Practical Treatise on Mensuration and by D. M. Knapen (1849)
"trapezoid. J/ The trapezoid is a figure bounded by four right lines, ... By inspecting the above figure, it will be seen- that the trapezoid, abed, ..."

5. The Design of Walls, Bins, and Grain Elevators by Milo Smith Ketchum (1911)
"Center of Gravity of a trapezoid. — To calculate the center of gravity of the trapezoid 1-2-3-4 in Fig. 72 proceed as follows : Bisect ..."

6. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1901)
"In no case was I able to produce a simple uncomplicated dorsal displacement of the trapezoid. From the results of the foregoing experiments it seemed ..."

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