A bottle made of glass, skin, rubber, or other material, and designed for holding water.(noun)
The Century Dictionary (Public Domain)
Use "water-bottle" in a sentence
"But when he presented the idea at a meeting, Brin and Page, who had tied water bottles to the venetian blind cords and were playing a game of water-bottle tetherball, nixed the idea."
"A hand, clutching a water-bottle, became visible and the ginger beard bent downward to fill the bottle."
"Were he not so terrible a man, I could sometimes feel sorry for him, as instance three mornings ago, when I went into his stateroom to fill his water-bottle and came unexpectedly upon him."