Meaning of the word aa in English

What does aa mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

aa

US /ˌeɪˈeɪ/
UK /ˌeɪˈeɪ/
"aa" picture

Noun

a type of lava that has a rough, jagged, and clinkery surface, often forming a thick, rubbly flow

Example:
The volcanic eruption produced vast fields of aa lava.
Walking across the sharp, broken surface of aa can be challenging.

Interjection

used to express surprise, recognition, or a sudden realization

Example:
Aa, I see what you mean now!
Aa, so that's where I left my glasses!