1. To make larger; to increase in quantity or dimensions; to extend in limits; to magnify; as, the body is enlarged by nutrition; to enlarge one's house. To enlarge their possessions of land. Locke. 2. To increase the capacity of; to expand; to give free scope or greater scope to; also, to dilate, as with joy, affection, and the like; as, knowledge enlarges the mind. O y...