An Inconsistency, op-position, or contrariety between two or more clauses of the same deed or contract, or between two or more material allegations of the same pleading. See Lehman v. U. S., 127 Fed. 45, 61 C. C. A. 577; Swan v. U. S„ 8 wyo. 151, 9 Pac. 931
Source: Black's Law Dictionary 2nd Ed (1910)