Definition of "hammer-headed" [hammer-headed]

• Having a head like that of a hammer. ;

The Century Dictionary (Public Domain)

• "I will admit to a certain prejudice regarding the barrel nut, but it is like an old hammer-headed horse that can and will do anything asked of him."
• "(Reason to like Avatar #3: mecha vs. hammer-headed triceratops pack!)"
• "When Sully, Augustine, and some other avatars are out on a mission collecting botanical samples, Sully's avatar gets separated from the others by the attacks, in rapid succession, of a hammer-headed triceratops, a giant panther, and a pack of glowy devil-dogs."