to rescue from danger or possible harm, injury, or loss

to save someone from drowning.

to keep safe, intact, or unhurt; safeguard; preserve

God save the king.

to keep from being lost

to save the game.

to avoid the spending, consumption, or waste of

to save fuel.

to keep, as for reuse

to save leftovers for tomorrow's dinner.

to set aside, reserve, or lay by

to save money.

to treat carefully in order to reduce wear, fatigue, etc.

to save one's eyes by reading under proper light.

to prevent the occurrence, use, or necessity of; obviate

to come early in order to save waiting.

Theology . to deliver from the power and consequences of sin.

Computers . to copy (a file) from RAM onto a disk or other storage medium.

Sports . to stop (a ball or puck) from entering one's goal.

to lay up money as the result of economy or thrift.

to be economical in expenditure.

to preserve something from harm, injury, loss, etc.

to admit of being kept without spoiling, as food.

an act or instance of saving, esp. in sports.

Baseball . a statistical credit given a relief pitcher for preserving a team's victory by holding its lead in a game.