Definition of "tetrapod" [tet•ra•pod]

• Having four feet, legs, or leglike appendages. (adjective)
• A vertebrate animal with four feet, legs, or leglike appendages. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Might they reflect my ‘real’ interests, or might they perhaps indicate which areas within tetrapod zoology are currently the most happening, interesting or sexy?"
• "One of my favourite ‘fringe’ subjects within tetrapod zoology concerns the alleged ability of eagles to attack and kill unusually large mammals, including people."
• "I will warn you, pre-emptively, that the affinities and ancestry of turtles is one of the most controversial subjects within tetrapod zoology ...."