ruminant

definition: 
An even-toed ungulate mammal that chews the cud regurgitated from its rumen. The ruminants comprise the cattle, sheep, antelopes, deer, giraffes, and their relatives.
sentence: 
The giraffe is the biggest ruminant and the tallest mammal in the world.
difficulty: 
easy
toefl frequency: 
1
toefl classification: