1. That which makes one rich; an abundance of land, goods, money, or other property; wealth; opulence; affluence.
2. That which appears rich, sumptuous, precious, or the like.

ETYM Old Eng. tresor, tresour, French trésor, Latin thesaurus.
1. A collection of precious things.
2. Accumulated wealth in the form of money or jewels etc.; SYN. hoarded wealth.
3. Any possession that is highly valued by its owner.