superfund

Short definition from Wiktionary

Noun

1. 1
   An investment vehicle for superannuation assets.
2. 2
   An investment fund that invests in other investment funds; a fund of funds.
3. 3
   A large amount of money designated for environmental cleanup by the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980.

Verb

1. 1
   To fund (a college payment plan) with a large payment, more than the usual annual payment.
2. 2
   To fund (environmental cleanup) by means of a Superfund.