Concertion

Con`cer´tion


n.1.Act of concerting; adjustment.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Small ponds on the lower slope of the tract began to fill rapidly as water rose from below and brought exotic rocks and pebbles (concertion fragments and terrace gravel?) to the surface.