Merriam-Webster's Collegiate® Dictionary, 11th Edition
SACK
I. noun
Etymology: Middle English sak bag, sackcloth, from Old English sacc, from Latin saccus bag & Late Latin saccus sackcloth, both from Greek sakkos bag, sackcloth, of Semitic origin; akin to Hebrew śaq bag, sackcloth Date: before 12th century a usually rectangular-shaped bag (as of paper, burlap, or canvas), the amount contained in a sack,
3. a woman's loose-fitting dress, a short usually loose-fitting coat for women and children, sacque 2, dismissal ,
5. hammock , bunk , bed , a base in baseball, an instance of sacking the quarterback in football, sackful noun
II. transitive verb
Date: 14th century
to put in or as if in a sack, to dismiss especially summarily, to tackle (the quarterback) behind the line of scrimmage in football, sacker noun
III. noun
Etymology: modification of Middle French sec dry, from Latin siccus; probably akin to Old High German sīhan to filter, Sanskrit siñcati he pours
Date: circa 1532
any of several white wines imported to England from Spain and the Canary Islands during the 16th and 17th centuries,
IV. transitive verb
Etymology: 5sack
Date: circa 1547
to plunder (as a town) especially after capture, to strip of valuables ; loot , see: ravage sacker noun
V. noun
Etymology: Middle French sac, from Old Italian sacco, literally, bag, from Latin saccus
Date: 1549
the plundering of a captured town