Mibzar

Boyd’s Bible Dictionary:

(fort). A duke of Edom (Gen. 36:42).

Concise Bible Dictionary:

Descendant of Esau and duke of Edom (Gen. 36:42; 1 Chron. 1:53).

Strong’s Dictionary of Hebrew Words:

Transliteration:
Mibtsar
Phonic:
mib-tsawr’
Meaning:
the same as 4013; Mibtsar, an Idumaean
KJV Usage:
Mibzar

Jackson’s Dictionary of Scripture Proper Names:

a fortress

Potts’ Bible Proper Names:

Defended, or fortified, place; fortress:―a duke of Esau, Gen. 36:42. {Locus munitus}