lambdoid

adjective
lamb·​doid | \ ˈlam-ˌdȯid How to pronounce lambdoid (audio) \
variants: or lambdoidal \ ˌlam-​ˈdȯid-​ᵊl How to pronounce lambdoidal (audio) \

Medical Definition of lambdoid

: having the Λ or λ shape of the Greek letter lambda especially : of, relating to, or being the lambda-shaped suture that connects the occipital and parietal bones