Acme \Ac"me\, n. [Gr. ? point, top.]

1. The top or highest point; the culmination.

The very acme and pitch of life for epic poetry. --Pope.

The moment when a certain power reaches the acme of its supremacy. --I. Taylor.

2. (Med.) The crisis or height of a disease.

3. Mature age; full bloom of life. --B. Jonson.

Source: Webster's Revised Unabridged Dictionary (1913)