Definition of: surplus

(sûr′plus) adjective
Being in excess of what is used or needed.
—noun
1. That which remains over and above what has been used or is required; overplus; residue.
2. Assets in excess of liabilities.
3. Excess of net assets above the face value of shares of a corporation.
4. A small unorganized tract of land in Maine set apart by State authority. See synonyms under EXCESS. [<OF <Med. L superplus <super- over and above + plus more]