Definition of "sphenoid" [sphe•noid]

• The sphenoid bone. (noun)
• Wedge-shaped. (adjective)
• Of or relating to the sphenoid bone. (adjective)

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.

• "The orbital plate and that part of the sphenoid which is found in the temporal fossa, as well as the lateral pterygoid plate, are ossified in membrane (Fawcett) 34."
• "The third through the left sphenoid bone, the fourth through the left temporal bone."
• "One was a LOMFDGB little old man fall down and go boom with a nasty 4cm nonlinear laceration on his sphenoid."