keeping, holding, conservation, retention / maintenance

keep, hold, conserve / maintain

a liquid

bottle / (specifically) bottle of alcohol

plastic bottle

plastic bottle

the practice of buying a full bottle of liquor or other alcoholic beverage at a bar and having the bartender keep the unfinished bottle until the purchaser's next visit

to keep one's own bottle of liquor or other alcoholic beverage at a bar

bottle green, a dark green color as commonly seen in wine bottle glass

a bottle cage, a cage for holding a water bottle on the frame of a bicycle