from
The Collaborative International Dictionary of English v.0.48
Impropriate \Im*pro"pri*ate\, v. t. [imp. & p. p.
{Impropriated}; p. pr. & vb. n. {Impropriating}.] [Pref. im-
in + L. propriatus, p. p. of propriare to appropriate. See
{Appropriate}.]
1. To appropriate to one's self; to assume. [Obs.]
[1913 Webster]
To impropriate the thanks to himself. --Bacon.
[1913 Webster]
2. (Eng. Eccl. Law) To place the profits of (ecclesiastical
property) in the hands of a layman for care and
disbursement.
[1913 Webster]