# ubac

> English word · Noun · IPA /ˈuː.bæk/

## Definitions
1. The shady side of a mountain; in the northern hemisphere, especially a north-facing slope.

## Etymology
Borrowed from Occitan ubac, from Latin opācus. Doublet of opaque.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ubac