a. (经训练的家养小动物)会到房外便溺的

[ adj ]
(of pets) trained to urinate and defecate outside or in a special place
<adj.all>
housebroken pets`house-trained' is chiefly British

housebroken \housebroken\ adj.
trained to urinate and defecate outside or in a special
place, such as a litter box; as, housebroken pets; -- of pet
animals.

Syn: house-trained, housetrained.
[WordNet 1.5 +PJC]