Easton's Bible Dictionary (1897)
Oak. ” The word denotes some remarkable tree which stood near Zaanannim, and which served as a landmark. ) The son of Jedaiah, of the family of the Simeonites, who expelled the Hamites from the valley of Gedor (1 Chr. 4:37).
Smith's Bible Dictionary (1863)
a large strong tree of some description probably an oak.
Hastings' Dictionary of the Bible (1898)
" See Zaanannim.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
AL'LON (an oak), the son of Jedaiah. 1 Chr 4:37.
Hitchcock's Bible Names (1869)
an oak; strong