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Trapezoid

/ˈtɹæpəzɔɪd/

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

Full Dictionary Entry

📖 Definitions of "Trapezoid"

noun

1
A (convex) quadrilateral with two (non-adjacent) parallel sides.
2
A convex quadrilateral with no sides parallel and no equal sides.
3
The trapezoid bone of the wrist.

🔄 Synonyms of "Trapezoid"

2 synonyms found via WordNet and Google Books.

Word	Definition
trapezoid bonenoun	(anatomy) One of the carpal bones of the wrist.
os trapezoideumnoun	Synonym of trapezoid bone.

💡 Words with a Similar Meaning to "Trapezoid"

Found via reverse dictionary — words that share a conceptual meaning.

Word	Definition
trapezoid bonenoun	(anatomy) One of the carpal bones of the wrist.
os trapezoideumnoun	Synonym of trapezoid bone.
isosceles	(geometry) Having (at least) two sides of equal length, used especially of a triangle or trapezoid.
arthrodesisnoun	(medicine, surgery) The surgical fusion of a joint between two or more bones so that the joint can no longer move; artificial ankylosis.
trapeziumnoun	(geometry, British, Australia, New Zealand) A quadrilateral with two sides parallel.
trapazoidnoun	Misspelling of trapezoid. [(geometry, US, Canada) A (convex) quadrilateral with two (non-adjacent) parallel sides.]
isosceles trapezoidnoun	A quadrilateral with two parallel sides and a separate pair of congruent sides which are not parallel.
trapezohedronnoun	(geometry, crystallography) Any of a class of polyhedra that have kite-shaped faces and are dual polyhedra of antiprisms.
trapezoid rulenoun	Synonym of trapezoidal rule.
parallelogramnoun	(geometry) A convex quadrilateral in which each pair of opposite edges are parallel and of equal length.
trapezium rulenoun	British standard form of trapezoidal rule. [(mathematics) A method of finding an approximate value for a definite integral, based on dividing the area under the graph of the function into a series of strips, each of which is approximately a trapezoid, and summing the area of all the trapezoids to approximate the area.]
quadrilaternoun	quadrilateral
rhombusnoun	(geometry) A parallelogram having all sides of equal length.
quadranglenoun	(geometry) A geometric shape with four angles and four straight sides; a four-sided polygon.
quadrilateralnoun	(geometry) A polygon with four sides.
antiparallelogramnoun	A quadrilateral in which the pairs of nonadjacent sides are congruent, but in which two opposite sides intersect and are therefore not parallel.
rhomboidnoun	A parallelogram which is neither a rhombus nor a rectangle
rectanglenoun	(geometry) Any quadrilateral having opposing sides parallel and four right angles.
tetraflexagonnoun	A square or rectangular flexagon.
parallelepipednoun	(geometry) A solid figure, having six faces, all parallelograms, all opposite faces being similar and parallel.