Smith's Bible Dictionary (1863)
or Ap’paim (the nostrils), son of Nadab, and descended from Jerahmeel, the founder of an important family of the tribe of Judah.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
AP'PAIM (the nostrils), a descendant of Judah. 1 Chr 2:30, 1 Chr 24:31.
Hitchcock's Bible Names (1869)
face; nostrils