Webster's Revised Unabridged Dictionary · 1913

mediocre

mediocre (mē`di*ō"kẽr) , adjective

[French médiocre, Latin mediocris, from medius middle. See Mid.]

Of a middle quality; of but a moderate or low degree of excellence; indifferent; ordinary.
A very mediocre poet. — Pope

Mediocre , noun

1.
A mediocre person; a mediocrity. [Rare]
2.
A young monk who was excused from performing a portion of a monk's duties. — Shipley