The Collaborative International Dictionary of English v.0.48:
Defrayal \De*fray"al\, n. The act of defraying; payment; as, the defrayal of necessary costs. [1913 Webster]WordNet (r) 3.0 (2006):
defrayal n 1: the act of paying money [syn: payment, defrayal, defrayment] [ant: evasion, nonpayment]