Obtuse-angulate: two markings or margins meeting so as to form an obtuse angle.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

So he grabs his smartphone and powers up Navizon, a system he developed that can tri-angulate his position by taking readings from Wi-Fi hot spots or cellular towers.    From Wordnik.com.  [Smart Mobs » Blog Archive » Roland’s Sunday Smart Trends #114] Reference

These include the angulate tortoise (Chersina angulata); parrot-beaked tortoise (Homopus areolatus); geometric tortoise (Psammobates geometricus, EN); and leopard tortoise (Geochelone pardalis).    From Wordnik.com.  [Biological diversity in the Cape Floristic Region] Reference

The last whorl is acutely angulate posteriorly, and the spire is tabulated, giving to the shell a peculiar truncate appearance.    From Wordnik.com.  [Explorations in Australia The Journals of John McDouall Stuart] Reference

Projectile than angulate Sirius, the officers held them fast to their eyes for five minutes at a time, and then took them away only to talk with remarkable fluency on what they had not discovered.    From Wordnik.com.  [All Around the Moon] Reference

Angulus: forming an angle: = angulate.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference