The Collaborative International Dictionary
Impignorate
Impignorate \Im*pig"no*rate\ ([i^]m*p[i^]g"n[-o]*r[=a]t), v. t.
[LL. impignoratus, p. pl of impignorare to pawn. See
Pignoration.]
To pledge or pawn. [Obs.]
--Laing.
Wiktionary
impignorate
vb. (context obsolete transitive English) To pledge or pawn.