Equality \E*qual"i*ty\, n.; pl. Equalities. [L. aequalitas, fr. aequalis equal. See Equal.]

1. The condition or quality of being equal; agreement in quantity or degree as compared; likeness in bulk, value, rank, properties, etc.; as, the equality of two bodies in length or thickness; an equality of rights.

A footing of equality with nobles. --Macaulay.

2. Sameness in state or continued course; evenness; uniformity; as, an equality of temper or constitution.

3. Evenness; uniformity; as, an equality of surface.

4. (Math.) Exact agreement between two expressions or magnitudes with respect to quantity; -- denoted by the symbol =; thus, a = x signifies that a contains the same number and kind of units of measure that x does.

Confessional equality. See under Confessional.

Source: Webster's Revised Unabridged Dictionary (1913)