WordReference Random House Unabridged Dictionary of American English © 2025
a•pos•til
(ə pos′til),USA pronunciation n.
- Literaturea marginal annotation or note.
- Middle French apostille, noun, nominal derivative of apostiller to add marginal notes, derivative, with a- a-5, of Medieval Latin postilla marginal note, perh. from the phrase post illa (verba) after these (words), with illa construed as the Latin diminutive suffix
- 1520–30