Definition of "lambdoid" [lamb•doid]

• Having the shape of the Greek letter lambda. (adjective)
• Anatomy Relating to the deeply serrated suture in the skull between the parietal bones and the occipital 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.

• "In one section, Ms. Falk declares: "Dart had mistakenly identified the lambdoid suture of the skull that had been imprinted on Taung's endocast as the lunate sulcus!""
• "So: nine glass and paper lambdoid forms stand clustered, as ciphers and as semblances."
• "Nine glass and paper lambdoid forms stand in a cluster."