Pos·til n.
 1. Originally, an explanatory note in the margin of the Bible, so called because written after the text; hence, a marginal note; a comment.
    Langton also made postils upon the whole Bible.   --Foxe.
 2. R. C. Ch. & Luth. Ch. A short homily or commentary on a passage of Scripture; as, the first postils were composed by order of Charlemagne.


 Pos·til, v. t.  To write marginal or explanatory notes on; to gloss.


 Pos·til, v. i. [imp. & p. p. Postiled (░) or Postilled; p. pr. & vb. n. Postiling or Postilling.] To write postils, or marginal notes; to comment; to postillate.
    Postiling and allegorizing on Scripture.   --J. H. Newman.

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