tetrapod/ˈtɛ.tɹəˌpɒd/EtymologyFrom tetra- + -pod. Doublet of quadruped.adjHaving four limbs or feetnounAny item with four arms or four feet, such as a light stand, a gun mount, etc.Any item with four arms or four feet, such as a light stand, a gun mount, etc.; A concrete structure with arms, used to arrest wave energy along the shore in sea defence projects.A type of vertebrate animal; Any vertebrate with four limbs.A type of vertebrate animal; Any member of the superclass TetrapodaA type of vertebrate animal; Any vertebrate (such as birds or snakes) that has evolved from early tetrapods