verb (used with object), an·no·tat·ed, an·no·tat·ing.
- to supply with critical or explanatory notes; comment upon in notes: to annotate the works of Shakespeare.
verb (used without object), an·no·tat·ed, an·no·tat·ing.
- to supply (a written work, such as an ancient text) with critical or explanatory notes
1733, from Latin annotatus, past participle of annotare “to note down” (see annotation). Related: Annotated; annotating. Not in Johnson’s “Dictionary,” but used therein in defining comment. Form annote is recorded from mid-15c. Related: Annotated; annotating.