One who annotates.

plural of annotator

A critical or explanatory commentary or analysis. / A comment added to a text. / The process of writing such comment or commentary. / (computing) Metadata added to a document or program.

(transitive) To add annotation to.

plural of annotation

Third-person singular simple present indicative form of annotate

present participle of annotate

Contains or is accompanied by annotations or labelled notes.

simple past tense and past participle of annotate

The property of being annotative.