Expurgatory \Ex*pur"ga*to*ry\, a. [Cf. F. expurgatoire.]

Serving to purify from anything noxious or erroneous; cleansing; purifying. ``Expurgatory animadversions.'' --Sir T. Browne.

Expurgatory Index. See Index Expurgatorius, under Index.

Source: Webster's Revised Unabridged Dictionary (1913)