noun A soft container made out of cloth, paper, thin plastic, etc. and open at the top, used to hold food, commodities, and other goods.
noun A container made of leather, plastic, or other material, usually with a handle or handles, in which you carry personal items, or clothes or other things that you need for travelling. Includes shopping bags, schoolbags, suitcases, briefcases, handbags, backpacks, etc.
noun One's preference.
Acid House is not my bag: I prefer the more traditional styles of music.
noun An ugly woman.
noun The cloth-covered pillow used for first, second, and third base.
The grounder hit the bag and bounced over the fielder’s head.
noun First, second, or third base.
He headed back to the bag.
noun A breathalyzer, so named because it formerly had a plastic bag over the end to measure a set amount of breath.