Treasure, n.
Etymology: [OE. tresor, tresour, F. trésor, L. thesaurus, Gr. Thesis, and cf. Thesaurus.]
1. Wealth accumulated; especially, a stock, or store of money in reserve. This treasure hath fortune unto us given. Chaucer.
2. A great quantity of anything collected for future use; abundance; plenty. We have treasures in the field, of wheat and of barley, and of oil and of honey. Jer. xli. 8.
3. That which is very much valued. Ye shall be peculiar treasure unto me. Ex. xix. 5. From thy wardrobe bring thy chiefest treasure. Milton. Treasure city, a city for stores and magazines. Ex. i. 11.
1 other Webster entry under this spelling
Treasure, v. t. [imp. & p. p. Treasured; p. pr. & vb. n. Treasuring.]
To collect and deposit, as money or other valuable things, for future use; to lay up; to hoard; usually with up; as, to treasure up gold.
Shades of meaning
Fernald has no entry of its own for treasure; he lists it under cherish.
He lists it without comment; the entries above explain its neighbors.