Definitions

1. adjective

relating to or resembling a lambdoid suture, or a skull shape characterized by a sagittal suture that is V-shaped and converging

“The lambdoid suture of this particular species of fossil is quite unique.”

2. noun

a skull shape characterized by a sagittal suture that is V-shaped and converging, or a suture line on a skull that is curved and shaped like the Greek letter lambda.

“The lambdoid of the newborn was slightly asymmetrical.”