To protect an environment, heritage, etc.
To remain unchanged during a process
To save for later use, sometimes by the use of a preservative.
Wilderness where human development is prohibited.
A jam or thick syrup made from fruit.
To intentionally throw an incomplete pass.
To waste, to squander.
To give lightly, in an offhand manner.
To discard (trash, garbage, or the like), to toss out, to put in the trash, to dispose of.