Merriam-Webster's Collegiate® Dictionary, 11th Edition
TREASURE
I. noun see: thesaurus
Date: 12th century
1. a. wealth (as money, jewels, or precious metals) stored up or hoarded , wealth of any kind or in any form ; riches , a store of money in reserve, something of great worth or value, a collection of precious things,
II. transitive verb (treasured; treasuring)
Date: 14th century
to collect and store up (something of value) for future use ; hoard , to hold or keep as precious ; cherish , prize , see: appreciate