Emily Dickinson Lexicon

AN-NO-TA'TION, n. [L. annotatio, of ad and notatio, a marking, from noto, to mark, or nota, a mark.]

1. A remark, note or commentary on some passage of a book, intended to illustrate its meaning; generally used in the plural, as, annotations on the Scriptures.
2. The first symptoms of a fever, or attack of a paroxysm. – Coxe.