|1.||maths connecting any two vertices that in a polygon are not adjacent and in a polyhedron are not in the same face|
|3.||marked with slanting lines or patterns|
|4.||maths a diagonal line or plane|
|5.||chess any oblique row of squares of the same colour|
|6.||cloth marked or woven with slanting lines or patterns|
|7.||something put, set, or drawn obliquely|
|8.||another name for solidus|
|9.||one front leg and the hind leg on the opposite side of a horse, which are on the ground together when the horse is trotting|
|[C16: from Latin diagōnālis, from Greek diagōnios, from |
|diagonal (dī-āg'ə-nəl) Pronunciation Key
Adjective Connecting two nonadjacent corners in a polygon or two nonadjacent corners in a polyhedron that do not lie in the same face.
Noun A diagonal line segment.