Definitions

1. adjective

relating to the adambulacral feet, a type of paired appendage found in certain invertebrates

“The fossilized remains of the ancient arthropod showed its adambulacral features to be remarkably preserved.”

2. noun

a paired appendage in certain invertebrates, such as a limb or a foot

“The researcher carefully examined the adambulacra of the fossilized specimen to determine its evolutionary relationships.”