triceratops
Concise Oxford English Dictionary © 2008 Oxford University Press:
triceratops /trʌɪˈsɛrətɒps/
▶noun a large quadrupedal herbivorous dinosaur living at the end of the Cretaceous period, having a massive head with two large horns, a smaller horn on the beaked snout, and a bony frill above the neck.
– origin mod. L., from Gk trikeratos ‘three-horned’ + ōps ‘face’.
'triceratops' also found in these Oxford entries:

