To give up; sometimes to die.
1849. Five of us went under, and the Pawnees made a raise of a dozen mules, wagh!—G. F. Ruxton, ‘Life in the Far West,’ p. 13. (N.E.D.)
1888. In all our vicissitudes, I had never before seen the General go under for an instant.—Mrs. Custer, ‘Tenting on the Plains,’ p. 280.
1888. Whether Jim lived or had gone under.—Chicago Inter-Ocean, March (Farmer).
