Easton's Bible Dictionary (1897)
Gatherer; the collector, mentioned as author of the sayings in Prov. 30. Nothing is known of him beyond what is there recorded.
Smith's Bible Dictionary (1863)
e. together of wise men), The son of Jakeh, an unknown Hebrew sage who uttered or collected the sayings of wisdom recorded in Prov 30.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
A'GUR. (an assembler, i. e. of wise men), a sage mentioned in Prov 30:1. Nothing is known of him. The rabbis identified him, but groundlessly, with Solomon.
Hitchcock's Bible Names (1869)
stranger; gathered together