Definition of "angulate" [an•gu•late]

• Having angles or an angular shape. (adjective)
• To make or become angular. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "These include the angulate tortoise (Chersina angulata); parrot-beaked tortoise (Homopus areolatus); geometric tortoise (Psammobates geometricus, EN); and leopard tortoise (Geochelone pardalis)."
• "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."
• "The last whorl is acutely angulate posteriorly, and the spire is tabulated, giving to the shell a peculiar truncate appearance."