אַדָּרʼAddâr

proper name, masculine: noble?

Pronunciation: ad-dawr' · Hebrew/Aramaic (Old Testament) · H146

Meanings

1. son of Bela, grandson of Benjamin (1 Chronicles 8:3; Numbers 26:40; Genesis 46:21)

2. city in Judah (Joshua 15:3; Numbers 34:4)

Same root

אָדַרʼâdar · H142to expand, i.e. be great or (figuratively) magnificent
חֲצַר אַדָּרChătsar ʼAddâr · H2692Chatsar-Addar, a place in Palestine
עַטְרוֹת אַדָּרʻAṭrôwth ʼAddâr · H5853Atroth-Addar, a place in Palestine

Where it appears

Appears 2 times in the Bible.

Joshua 15:3 ran south of Scorpion Pass into the wilderness of Zin, and then went south of Kadesh-barnea to Hezron. Then it went up to Addar, where it turned toward Karka.
1 Chronicles 8:3 The sons of Bela were Addar, Gera, Abihud,

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).