conserve

US /kənˈsɝːv/
UK /kənˈsɝːv/
"conserve" picture
1.

protect (something, especially an environmentally or culturally important place or thing) from harm or destruction

:
We must conserve our natural resources for future generations.
Efforts are being made to conserve endangered species.
2.

use (something) sparingly so as to avoid depletion

:
We need to conserve water during the drought.
He tried to conserve his energy for the final sprint.
1.

a type of jam or fruit preserve, typically made from whole fruit boiled with sugar

:
She spread strawberry conserve on her toast.
Homemade peach conserve is her specialty.