Pleth″o‐ra (?), n. [NL., fr. Gr. �, fr. � to be or become full. Cf. Pleonasm.] 1. Overfullness; especially, excessive fullness of the blood vessels; repletion; that state of the blood vessels or of the system when the blood exceeds a healthy standard in quantity; hyperæmia; — opposed to anæmia.
2. State of being overfull; excess; superabundance.
He labors under a plethora of wit and imagination. Jeffrey.