Rab'bath of the Children of Ammon. Rabbath of the Children of Ammon and Rabbath of the Ammonites. See Rabbah.
Smith's Bible Dictionary
By Dr. William Smith.Published in 1863
Rabbath Of The Children Of Ammon
and OF THE AMMONITES. (The former is the more accurate, the Hebrew being in both cases; רִבִּת בְּנֵי עִמּוֹן; Sept. ἡ ἄκρα τῶν υἱῶν Α᾿μμών, ῾Ραββὰθ υἱῶν Α᾿μμών; Vulg. Rabbath filiorum Ammon.) This is the full appellation of the place commonly given as RABBAH SEE RABBAH (q.v.). It occurs only in Deu_3:11 and Eze_21:20. The th is merely the Hebrew construct state, or mode of connecting a word ending in ah with one followving it. SEE GIBEATH; SEE KIRJATH; SEE RAMATH, etc.
CYCLOPEDIA OF BIBLICAL, THEOLOGICAL AND ECCLESIASTICAL
press 1895.