(~s)
1.
A ~ line or movement goes in a sloping direction, for example, from one corner of a square across to the opposite corner.
...a pattern of ~ lines.
ADJ: usu ADJ n
~ly
Vaulting the stile, he headed ~ly across the paddock...
ADV: ADV with v, oft ADV prep
2.
A ~ is a line that goes in a sloping direction.
The bed linen is patterned in stylish checks, stripes, ~s and triangles.
N-COUNT
3.
In geometry, a ~ is a straight line that joins two opposite corners in a flat four-sided shape such as a square.
Mark five points an equal distance apart along the ~s.
N-COUNT