splay

Concise Oxford English Dictionary © 2008 Oxford University Press:
splay/spleɪ/

▶verb

• 1 spread or be spread out or further apart.

• 2 (usu. as adj. splayed) construct (a window, doorway, or other aperture) so that it is wider at one side of the wall than the other.

▶noun

• 1 a tapered widening of a road at an intersection to increase visibility.

• 2 a surface making an oblique angle with another, especially a splayed window or other aperture.

▶adjective [usu. in combination] turned outward or widened: the girl sat splay-legged.

– origin ME (in the sense ‘unfold to view’): shortening of display.