Definition of cloak

• n. - A loose outer garment, extending from the neck downwards, and commonly without sleeves. It is longer than a cape, and is worn both by men and by women.
• n. - That which conceals; a disguise or pretext; an excuse; a fair pretense; a mask; a cover.
• v. t. - To cover with, or as with, a cloak; hence, to hide or conceal.