obscure — (of meaning) not clear or plain; ambiguous, vague, or uncertain: an obscure sentence in the contract.
hide — Informal. to administer a beating to; thrash.
mask — a form of aristocratic entertainment in England in the 16th and 17th centuries, originally consisting of pantomime and dancing but later including dialogue and song, presented in elaborate productions given by amateur and professional actors.
shield — a broad piece of armor, varying widely in form and size, carried apart from the body, usually on the left arm, as a defense against swords, lances, arrows, etc.
cover — If you cover something, you place something else over it in order to protect it, hide it, or close it.
shroud — a cloth or sheet in which a corpse is wrapped for burial.
cloak — A cloak is a long, loose, sleeveless piece of clothing which people used to wear over their other clothes when they went out.
conceal — If you conceal something, you cover it or hide it carefully.
pall — a cloth, often of velvet, for spreading over a coffin, bier, or tomb.
