Giah
The name Giah means “to guide; draw out; produce; a groan or sigh”.
Smith's Bible Dictionary 1863
(a waterfall), a place named only in (2 Samuel 2:24) to designate the position of the hill Ammah.
International Standard Bible Encyclopedia 1915
gi'-a (giach): An unidentified place on the route followed by Abner in his flight, pursued by Joab (2Sa 2:24). Septuagint renders Gai, corresponding to the Hebrew ge, "valley." The form giach may be due to corruption of the text.