The Collaborative International Dictionary
Oppignerate
Oppignerate \Op*pig"ner*ate\, v. i. [L. oppigneratus, p. p. of
oppignerare to pawn. See Ob-, and Pignerate.]
To pledge; to pawn. [Obs.]
--Bacon.
Wiktionary
oppignerate
vb. (context obsolete rare English) To pledge; to pawn.