\Ob*tund"\, v. t. [imp. & p. p. {Obtunded}; p. pr. & vb. n. {Obtunding}.] [L. obtundere, obtusum; ob (see {Ob-}) + tundere to strike or beat. See {Stutter}.] To reduce the edge, pungency, or violent action of; to dull; to blunt; to deaden; to quell; as, to obtund the acrimony of the gall. [Archaic] --Harvey. They . . . have filled all our law books with the obtunding story of their suits and trials. --Milton.