Doghouse

Noun

1. Any small house or structure or enclosure used to house a dog.
2. A structure of small size, similar to a doghouse, but offering useful shelter for a human.
3. Mechanically, an equipment cover with an opening, with a shape resembling a doghouse.
4. A difficult or demoralizing situation.
5. A traffic signal with five sections: two on the bottom, two in the middle, and one on top.