Definition of "Sack" :
noun: the termination of someone's employment (leaving them free to depart)
noun: the plundering of a place by an army or mob; usually involves destruction and slaughter
"The sack of Rome."
noun: a loose-fitting dress hanging straight from the shoulders without a waist
noun: a hanging bed of canvas or rope netting (usually suspended between two trees); swings easily
noun: a bag made of paper or plastic for holding customer's purchases
noun: a woman's full loose hiplength jacket
noun: any of various light dry strong white wine from Spain and Canary Islands (including sherry)
noun: the quantity contained in a sack
noun: an enclosed space
verb: put in a sack
"The grocer sacked the onions."
verb: make as a net profit
verb: plunder (a town) after capture
"The barbarians sacked Rome."
verb: terminate the employment of; discharge from an office or position