'Maintainor' definitions:

Definition of 'Maintainor'

From: GCIDE

Maintainor \Main*tain"or\, n. [OF. mainteneor, F. mainteneur.] (Crim. Law) One who, not being interested, maintains a cause depending between others, by furnishing money, etc., to either party. --Bouvier. --Wharton. [1913 Webster]