\Pur*pres"ture\, n. [Probably corrupted (see
{Prest}) fr. OF. pourprisure, fr. pourprendre: cf. LL.
purprestura. Cf. {Purprise}.] (Law)
Wrongful encroachment upon another's property; esp., any
encroachment upon, or inclosure of, that which should be
common or public, as highways, rivers, harbors, forts, etc.
[Written also {pourpresture}.]