Cloak

Webster's Condensed Dictionary- A Condensed Dictionary of the English Language · 1909 · p. 111

klok, n. A loose, outer garment, a disguise or pretext. — v. [cloaked (klQkt), cloaking.] To cover with a cloak; to hide or conceal. [OF. claque, cloche, LL. cloca, a bell, cape; clock, q. v.]