(1):

(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.

(2):

(n.) That which conceals; a disguise or pretext; an excuse; a fair pretense; a mask; a cover.

(3):

(v. t.) To cover with, or as with, a cloak; hence, to hide or conceal.