What is the meaning of Tetrapod?

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

1. Any vertebrate with four limbs.
2. Any member of the superclass Tetrapoda
3. Any vertebrate (such as birds or snakes) that has evolved from early tetrapods

Any vertebrate with four limbs.

Any member of the superclass Tetrapoda

Any vertebrate (such as birds or snakes) that has evolved from early tetrapods

Having four limbs or feet

tetrapod

Source: wiktionary.org