Smith's Bible Dictionary (1863)
(bristling, properly Hassenuah, with the definite article), a Benjamite.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
SENU'AH (bristling), properly, "Hasenuah," with the definite article, a Benjamite. 1 Chr 9:7; Neh 11:9.