Răn'dŏm1, n.
n. [O. Eng. randon, Scot. randoun, A-S. randūn, O. Fr. & Pr. randon, force, violence, rapidity, à randon, de randon, violently, suddenly, rapidly, from Ger. & Eng. rand, border, edge; Icel. rönd, margin, extremity. See supra.]
Sense 1. A roving motion; course without definite direction; want of direction, rule, or method; hazard; chance;—used especially in the phrase at random, that is, without a settled point of direction; at hazard.
Sense 2. Distance to which a missile is thrown or projected; range; reach; as, the furthest random of a missile weapon. Digby.
Sense 3. (Mining.) Distance from a determined horizon; depth below a given plane.