n. [ L. commentator: cf. F. commentateur. ] One who writes a commentary or comments; an expositor; an annotator. [ 1913 Webster ]
The commentator's professed object is to explain, to enforce, to illustrate doctrines claimed as true. Whewell. [ 1913 Webster ]
a. Pertaining to the making of commentaries. Whewell. [ 1913 Webster ]
n. The office or occupation of a commentator. [ 1913 Webster ]