Dictionary
2 ENTRIES FOUND:

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

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

Medical Definition of QUADRILATERAL

:  having four sides <a quadrilateral muscle>

Browse

Next Word in the Dictionary: quadrilingualPrevious Word in the Dictionary: quadrigamistAll Words Near: quadrilateral
March 29, 2015
discomfit Hear it
To thwart or disconcert
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears