<p><strong>Noun</strong></p><ul><li>a large bag of strong, coarsely woven material, as for grain, potatoes, or coal.</li><li>the amount a sack holds.</li><li>a bag: a sack of candy.</li><li>the sack, Informal: dismissal or discharge, as from a job: to get the sack.</li><li>the sack, Slang: bed, often as the site of sexual activity: It's past noon, but I bet that lazybones is still in the sack.</li><li>Also sacque: a loose-fitting dress, as a gown with a Watteau back, especially one fashionable in the late 17th century and much of the 18th century.</li><li>a loose-fitting coat, jacket, or cape.</li><li>Baseball: a base.</li><li>South Midland U.S.: the udder of a cow.</li></ul><p><strong>Verb</strong></p><ul><li>to put into a sack or sacks.</li><li>Football: to tackle (the quarterback) behind the line of scrimmage before the quarterback is able to throw a pass.</li><li>Informal: to dismiss or discharge, as from a job.</li></ul><p><strong>Verb Phrase</strong></p><ul><li>Slang: to go to bed; fall asleep.</li></ul>