cloak

(noun) anything that covers or conceals.

(noun) a loose outer garment.

(verb) hide under a false appearance. Synonyms: dissemble, mask. Example: "He masked his disappointment."

(verb) cover as if with clothing. Synonyms: clothe, drape, robe. Example: "The mountain was clothed in tropical trees."

(verb) cover with or as if with a cloak. Example: "Cloaked monks."