Dictionary

1quadrilateral

noun quad·ri·lat·er·al \ˌkwä-drə-ˈla-t(ə-)rəl\

geometry : a flat shape that has four sides and four angles

Full Definition of QUADRILATERAL

:  a polygon of four sides

Origin of QUADRILATERAL

Latin quadrilaterus four-sided, from quadri- + later-, latus side
First Known Use: 1650

2quadrilateral

adjective

Definition of QUADRILATERAL

:  having four sides

First Known Use of QUADRILATERAL

1656
QUADRILATERAL Defined for Kids

quadrilateral

noun quad·ri·lat·er·al \ˌkwä-drə-ˈla-tə-rəl\

Definition of QUADRILATERAL for Kids

:  a flat geometric figure of four sides and four angles
Medical Dictionary

quadrilateral

adjective quad·ri·lat·er·al \ˌkwäd-rə-ˈlat-ə-rəl, -ˈla-trəl\

Medical Definition of QUADRILATERAL

:  having four sides <a quadrilateral muscle>

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July 01, 2015
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