מַלְבֵּןmalbên

brick-mould, rectangular

Pronunciation: mal-bane' · Hebrew/Aramaic (Old Testament) · H4404

Meanings

1. brick-mould

2. quadrangle

1. brick-mould (2 Samuel 12:31; Nahum 3:14)

2. quadrangle (Jeremiah 43:9)

Same root

לָבַןlâban · H3835to be (or become) white; to make bricks

Where it appears

Appears 3 times in the Bible.

2 Samuel 12:31 He also made slaves of the people of Rabbah and forced them to labor with saws, iron picks, and iron axes, and to work in the brick kilns. That is how he dealt with the people of all the Ammonite towns. Then David and all the army returned to Jerusalem.
Jeremiah 43:9 “While the people of Judah are watching, take some large rocks and bury them under the pavement stones at the entrance of Pharaoh’s palace here in Tahpanhes.
Nahum 3:14 Get ready for the siege! Store up water! Strengthen the defenses! Go into the pits to trample clay, and pack it into molds, making bricks to repair the walls.

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).