breed

definition: 
(Of animals) mate and then produce offspring
sentence: 
Some Australian bird species or parrot species will breed quite happily here in captivity.
Mules, animals that result from breeding a male donkey with a female horse, are usually sterile.
Cows were bred to Brangus bulls during the 60-d breeding season, with 1 bull per 18 cows.
difficulty: 
very easy
toefl frequency: 
1
toefl classification: 
adverb: 
adjective: 
adverb sentence: 
adjective sentence: 
verb: 
verb sentence: