triangled

adjective4

1. •
   Marked or decorated with a triangle or triangles.

   • Armed with bona fide Boston-made pink-triangled foster equality signs — 1986
2. •
   Divided into triangles (said of the field).

   • The third, Gules triangled, or […] — 1729
3. •
   Having three angles.
4. •
   Located inside a triangle.