# trowal

> English word · Noun

## Definitions
1. The projection on the Earth's surface of the trough of warm air aloft formed during the occlusion process of the depression.

## Etymology
Short for trough of warm air aloft.

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