Webster 1913 Edition
Tending to one point; approaching each other; convergent;
rays of light, which, proceeding from different points of an object, tend toward a single point.–
a series in which if an indefinitely great number of terms be taken, their sum will become indefinitely near in value to a fixed quantity, which is called the sum of the series; – opposed to a
Webster 1828 Edition
Converging rays, in optics, those rays of light, which proceeding from different points of an object, approach, meet and cross, and become diverging rays.
Converging series, in mathematics, is that in which the magnitude of the several terms gradually diminishes.