עַרְמוֹןʻarmôwn

plane-tree, (as stripped of bark) (Genesis 30:37; Ezekiel 31:8)

Pronunciation: ar-mone' · Hebrew/Aramaic (Old Testament) · H6196

Same root

עָרַםʻâram · H6191properly, to be (or make) bare; but used only in the derivative sense (through the idea perhaps of smoothness) to be cunning (usually in a bad sense)

Where it appears

Appears 2 times in the Bible.

Genesis 30:37 Then Jacob took some fresh branches from poplar, almond, and plane trees and peeled off strips of bark, making white streaks on them.
Ezekiel 31:8 No other cedar in the garden of God could rival it. No cypress had branches to equal it; no plane tree had boughs to compare. No tree in the garden of God came close to it in beauty.

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).