The Collaborative International Dictionary
Oppilate
Oppilate \Op"pi*late\, v. t. [imp. & p. p. Oppilated; p. pr. &
vb. n. Oppilating.] [L. oppilatus, p. p. of oppilare to
stop up; ob (see Ob-) + pilare to ram down, to thrust.]
To crowd together; to fill with obstructions; to block up.
[Obs.]
--Cockeram.
Wiktionary
oppilate
vb. (context rare English) to block, to stop up, to obstruct