Webster's Revised Unabridged Dictionary · 1913

Middle

Middle (mid"d'l) , adjective

[Old English middel, Anglo-Saxon middel; akin to Dutch middel, Old High German muttil, German mittel. r271. See Mid, a.]

1.
Equally distant from the extreme either of a number of things or of one thing; mean; medial; as, the middle house in a row; a middle rank or station in life; flowers of middle summer; men of middle age.
2.
Intermediate; intervening.
Will, seeking good, finds many middle ends. — Sir J. Davies
The middle-class electorate of Great Britain. — M. Arnold

Middle is sometimes used in the formation of self-explaining compounds; as, middle-sized, middle-witted.

Middle , noun

[Anglo-Saxon middel. See Middle, a.]

The point or part equally distant from the extremities or exterior limits, as of a line, a surface, or a solid; an intervening point or part in space, time, or order of series; the midst; central portion
the waist. — Judg. ix. 37
The middle of the land. — Chaucer
In this, as in most questions of state, there is a middle. — Burke