the GNU version of the Collaborative International Dictionary of English
n. Payment in advance.
The Century Dictionary and Cyclopedia
n. The act of paying beforehand; payment in advance, as of postage or rent.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. payment in advance
Word Usage
"But the wealthy Egyptian more commonly provided for the future of his Ka by bequeathing a portion of his estate to the priesthood, in prepayment for sepulchral meals in perpetuity."