Strong's #201: 'Owmar (pronounced o-mawr')
 from 559; talkative; Omar, a grandson of Esau:--Omar.
Brown-Driver-Briggs Hebrew Lexicon:
 
  'ômâr 
 
 Omar = "speaker" or "eloquent" 
 1) grandson of Esau
 
  Part of Speech: noun proper masculine
Relation: from H559
Usage:
This word is used 3 times:
Genesis 36:11: "of Eliphaz were Teman,  Omar, Zepho, and Gatam, and Kenaz."
Genesis 36:15: "duke Teman, duke  Omar, duke Zepho, duke Kenaz,"
1 Chronicles 1:36: "The sons of Eliphaz; Teman,  and Omar, and Gatam, Kenaz, and Timna,"