To increase; to enlarge in size or extent; to swell; to make bigger; as, to augment an army, by reinforcement; rain augments a stream.

To increase or swell the degree, amount or magnitude; as, impatience augments an evil.

To increase; to grow larger; as, a stream augments by rain.

Increase; enlargement by addition; state of increase.

In philology, a syllable prefixed to a word; or an increase of the quantity of the initial vowel.