1. a chamber (often underground) reinforced against bombing and provided with food and living facilities; used during air raids; [syn: bomb shelter, air-raid shelter, bombproof]
WordNet (r) 3.0 (2006):
air-raid shelter
n 1: a chamber (often underground) reinforced against bombing
and provided with food and living facilities; used during
air raids [syn: bomb shelter, air-raid shelter,
bombproof]