It is characterized by the dog throwing up white foam and mucus. These may be accompanied by coughing, eye drainage, excessive coughing and nasal discharge. The cough will normally run its course within 14 days. In case it goes beyond this consult a veterinarian.
Learner's definition of SPACIOUS. [more spacious; most spacious] : having a large amount of space. a spacious room/office/house. The dining room is spacious [=roomy] enough to seat our whole family and several guests.
Definition of hollow. 1  1 : an unfilled space : cavity, hole in the hollow of a tree. 2  2 : a depressed or low part of a surface; especially : a small valley or basin.