tetrapod

tetra- +‎ -pod

tetrapod (plural tetrapods)

1. Any vertebrate with four limbs.
2. Any vertebrate (such as birds or snakes) that has evolved from early tetrapods; especially any member of the superclass Tetrapoda
3. A concrete structure with arms, used to arrest wave energy along the shore in sea defence projects.

tetrapod (not comparable)

1. Having four limbs or feet

• tetrapous

• quadruped