Conserve
WordNet
noun
(1) Fruit preserved by cooking with sugar
verb
(2) Preserve with sugar
"Mom always conserved the strawberries we grew in the backyard"
(3) Use cautiously and frugally
"I try to economize my spare time"
"Conserve your energy for the ascent to the summit"
(4) Keep in safety and protect from harm, decay, loss, or destruction
"We preserve these archeological findings"
"The old lady could not keep up the building"
"Children must be taught to conserve our national heritage"
"The museum curator conserved the ancient manuscripts"
(5) Keep constant through physical or chemical reactions or evolutionary change
"Energy is conserved in this process"
WiktionaryText
Etymology
From Old French conserver, from conservare to keep, preserve from com- intensive prefix + servare keep watch, maintain (see also observe).
Noun
- Wilderness where human development is prohibited.
- A jam or thick syrup made from fruit.