Emily Dickinson Lexicon

COM'MENT, v.i. [L. commentor, to cast in the mind, to think, to devise, to compose; from con and mens, mind, or the same root. It. comentare; Fr. commenter; Sp. commentar; Port. commentar. See Mind.]

1. To write notes on the works of an author, with a view to illustrate his meaning, or to explain particular passages; to explain; to expound; to annotate; followed by on. We say, to comment on an author or on his writings. – Dryden. Pope.
2. To make verbal remarks, or observations, either on a book, or writing, or on actions, events, or opinions. – Shak.