Definition of "diapsid" [diapsid]

• Any of various reptiles having a skull with two pairs of temporal openings and including the lizards, snakes, crocodiles, dinosaurs, and pterosaurs. (noun)

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.

• "Perhaps the confusion here is the similarity to the term “theropod” which always refers to a diapsid except when it refers to Lenny. ben"
• "This confirms my suspicion that it takes a diapsid to know one"
• "As jimi Hendrix put it “scutes me while I kiss the sky” and yes it is a diapsid. the pro from dover"