One might use the word as an order to have someone else bring you a glass of water.

He stood up and got her a glass of water.

She had put something else in the glass of water, too.

For best results, take with a full glass of water.

Then he got up to get a glass of water.

I went back into the room with a glass of water.

She got up and was soon back with a glass of water.

The first thing he did was to get me a glass of water.

She set the book down behind her, next to a glass of water.

Before going back for more food, wait at least 15 minutes and have a big glass of water.