asperitas
noun/æsˈpɛɹɪtas/ · /æsˈpɛɹɪtæs/
Etymology From Latin asperitās, replacing the older undulatus asperatus. Doublet of asperity.
1
A cloud formation characterized by wavy undulations in the cloud base.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.