Easton's Bible Dictionary (1897)
Thorny, a place many of the inhabitants of which returned from Babylon with Zerubbabel (Ezra 2:35; Neh. 7:38).
Smith's Bible Dictionary (1863)
(thorny). The “children (i.e. the inhabitants) of Senaah” are enumerated among the “people of Israel” who returned from the captivity with Zerubbabel. (Ezra 2:35; Nehemiah 7:38) (B.C. 536.) The Magdal Senna of Eusebius and Jerome denotes a town seven miles north of Jericho (“Senna”).
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
SENA'AH (thorny), a place (named with the article) whose inhabitants returned from captivity with Zerubbabel. Ezr 2:35; Neh 7:38; Heb 3:3. Eusebius and Jerome mention Magdal Senaah, 7 miles north of Jericho, but it cannot be certainly identified with this Senaah.
Hitchcock's Bible Names (1869)
bramble; enemy