What is another word for "cover"?

Roget's Thesaurus (1911) lists these synonyms for "cover": abditory, adytum, altogether, ambuscade, ambush, and, awning, back, background, bald, bare, bareback, barebacked, barefoot, bareness, beach, beadle, bed, birthday, blend, blind, blinker, board, bowery, buff, bung, callow, cast, cerberus, chick, cloak, close, closet, cloud, coat, concealed, concealment, coot, cork, course.