Helam

Boyd’s Bible Dictionary:

(fort). A battlefield (2 Sam. 10:16-17).

Concise Bible Dictionary:

Place situate between the Jordan and the Euphrates, where David defeated the Syrians under Hadarezer (2 Sam. 10:16-17). Possibly the Alamatha of Ptolemy, near Nicephorium.

Strong’s Dictionary of Hebrew Words:

Transliteration:
Cheylam
Phonic:
khay-lawm’
Meaning:
or Cheleam {khay-lawm'}; from 2428; fortress; Chelam, a place East of Palestine
KJV Usage:
Helam

Jackson’s Dictionary of Scripture Proper Names:

their rampart: their force

Potts’ Bible Proper Names:

A great army; fortress; dreams:―a place E. of Jordan, 2 Sam. 10:16. {Exercitus magnus}