a. Obs. rare1. [f. L. subvent-, pa. ppl. stem of subvenīre to SUBVENE + -ITIOUS.] Of the nature of a subvention.
 
a. 1693.  Urquharts Rabelais, III. xxxiii. He should never help, aid, supply, succour nor grant them [sc. delinquents] any subventitious Furtherance.