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; hyperaemia; -- opposed to anaemia.
2.
State of being overfull; excess; superabundance.
He labors under a plethora of wit and imagination.
Jeffrey.
© Webster 1913.