The Collaborative International Dictionary of English v.0.48:
Enginous \En"gi*nous\, a. [OF. engignos. See Ingenious.] 1. Pertaining to an engine. [Obs.] [1913 Webster] That one act gives, like an enginous wheel, Motion to all. --Decker. [1913 Webster] 2. Contrived with care; ingenious. [Obs.] [1913 Webster] The mark of all enginous drifts. --B. Jonson. [1913 Webster]