Source : Webster's Revised Unabridged Dictionary (1913)

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.