All 4 Uses

preserve
in
The Bourne Supremacy
(Edited)

Alex Conklin was very much alive, whether drunk or not, and even if he was preserved in bourbon, he had his sources, those contacts he had cultivated during a lifetime of devotion to the shadow world that ultimately rejected him.
Chpt 6 *

preserved = protected to keep from changing

editor's notes: Preserved in bourbon is used figuratively here in a joking manner. It might bring to mind the way a lab specimen preserved in formaldehyde or peaches preserved in syrup.
Bird sanctuaries are large preserves.
Chpt 23

preserves = places where conditions are kept as they were to protect wildlife
If they were conspirators — and everything he had seen and heard from Shenzhen to Tian an men Square to this wildlife preserve would seem to confirm it — the conspiracy reached into the hierarchy of Beijing.
Chpt 26 *

preserve = a place where conditions are kept as they were to protect wildlife
He was the man in that forest preserve who did all the talking, wasn't he?
Chpt 36

Definitions:

(1) (preserve as in: preserve the records)
to protect something or to keep it as it is
(2) (preserve as in: preserve the peaches)
to prepare food in a way that keeps it from spoiling
(3) (preserve as in: a wildlife preserve)
protected wildlife area
(4) (preserve as in: no longer a male preserve)
something exclusive to (someone or some group) -- such as an activity or place
(5) (preserves as in: mom made preserves)
chunks of fruit cooked with sugar (like jam) and sealed (usually in a mason jar) so it will not spoil
(6) (meaning too rare to warrant focus)