doghole
noun
1.
a clamp used to hold work in place on a workbench
2.
laborer who works in a mine
3.
a small inlet
4.
sordid dirtiness
5.
any of several rodents of North American prairies living in large complex burrows having a barking cry
6.
a chamber (often underground) reinforced against bombing and provided with food and living facilities; used during air raids