reserve force n.
The energy residing in an organ or in any of its parts above that required for its normal functioning.
When he has attained the mastery of the bow he can use his own judgment as to the occasional employment of this reserve force.
There had always been about him an air of power, of reserve force.
And you had a reserve force to recover the gate which had been opened to them?
I checkmate you with the little tool I have here—my reserve force.
The square strong jaw and large chin were eloquent of reserve force.
If we have no reserve force, we shall in time consume each other's life.
A third series was instituted in January, 1918, to create an officers' reserve force.
That sense of reserve force is one of the greatest triumphs of art.
The reserve force of society grows more and more amazing to one's thought.
The Commune declares that it has a reserve force of 20,000 men.