From BiblePortal Wikipedia

Webster's Dictionary [1]

(n.) The writer, or one of the writers, of the passages of the Old Testament, notably those of Elohim instead of Jehovah, as the name of the Supreme Being; - distinguished from Jehovist.

Hastings' Dictionary of the Bible [2]

Elohist . See Hexateuch.

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [3]

the name technically given in theology and sacred criticism to the assumed authors of those parts of the Pentateuch (q.v.) in which the Deity is styled ELOHIM (See Elohim) rather than JEHOVAH (See Jehovah) (q.v.).

The Nuttall Encyclopedia [4]

A name given by the critics to the presumed author of the earlier part of the Pentateuch, whose work in it they allege is distinguished by the use of the word Elohim for God; he is to be distinguished from the Jehovist, the presumed author of the later portions, from his use, on the other hand, of the word Jehovah for God.