trapezoid, trapezoid bone, os trapezoideum
(noun) the wrist bone between the trapezium and the capitate bones
trapezoid
(noun) a quadrilateral with two parallel sides
Source: WordNet® 3.1
trapezoid (plural trapezoids)
(geometry, US) A (convex) quadrilateral with two (non-adjacent) parallel sides.
(geometry, British, AU, NZ) A convex quadrilateral with no sides parallel and no equal sides.
(anatomy) The trapezoid bone of the wrist.
• (geometry, convex quadrilateral with two non-adjacent parallel sides): (British) trapezium
• (geometry, convex quadrilateral with no parallel sides): irregular quadrilateral, (US) trapezium
Source: Wiktionary
Trap"e*zoid, n. Etym: [Gr. trapézoïde. See Trapezium.]
1. (Geom.)
Definition: A plane four-sided figure, having two sides parallel to each other.
2. (Anat.)
Definition: A bone of the carpus at the base of the second metacarpal, or index finger.
Trap"e*zoid, a.
1. Having the form of a trapezoid; trapezoidal; as, the trapezoid ligament which connects the coracoid process and the clavicle.
2. (Anat.)
Definition: Of or pertaining to the trapezoid ligament; as, the trapezoid line.
Source: Webster’s Unabridged Dictionary 1913 Edition
24 April 2025
(noun) an obsolete term for the network of viscous material in the cell nucleus on which the chromatin granules were thought to be suspended
Coffee is a brewed drink prepared from roasted coffee beans, the seeds of berries from certain Coffea species. When coffee berries turn from green to bright red – indicating ripeness – they are picked, processed, and dried. Dried coffee seeds are roasted to varying degrees, depending on the desired flavor.
