Easton's Bible Dictionary (1897)
The dual form of matzor, meaning a “mound” or “fortress,” the name of a people descended from Ham (Gen. 10:6, 13; 1 Chr. 1:8, 11). ), and may denote the two Egypts, the Upper and the Lower. The modern Arabic name for Egypt is Muzr.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
MIZ'RAIM (limits, borders), the name by which the Hebrews generally designated Egypt, apparently from Mizraim, the son of Ham. Gen 10:6, 2 Kgs 11:13. This name is in the dual form, and denoted either lower and upper Egypt or two divisions of that land. Gen 45:20; Gen 46:34; Gen 47:6, Gen 47:13. Sometimes it seems to be employed to designate lower Egypt, to the exclusion of Pathros or upper Egypt. Isa 11:11:Jer 44:15. See Egypt.
Hitchcock's Bible Names (1869)
tribulations