peanut butter

from WordNet (r) 3.0 (2006)

peanut butter
    n 1: a spread made from ground peanuts

from The Collaborative International Dictionary of English v.0.48

Peanut butter \Pea"nut but"ter\
   A paste made by mixing ground fresh roasted peanuts with a
   small quantity of water or oil, and used chiefly as a relish
   on sandwiches, etc.
   [Webster 1913 Suppl.]