Definitions

1. noun

Relating to or characteristic of dunes; found in or produced by dunes.

“The geologist studied the dunal landscape of the desert.”

2. adjective

Relating to or characteristic of dunes; found in or produced by dunes.

“The dunal region was home to a unique ecosystem.”

3. adverb

In or towards the dunes; especially of or relating to the wind direction in dunes.

“The sandstorms were blowing dunal across the desert.”