noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A principal high-level cloud type appearing as a whitish veil, usually fibrous but sometimes smooth, which may totally cover the sky and which often produces halo phenomena. Abbreviated Cs
2. 2
   a thin uniform layer of hazy cloud at high altitude wordnet

Synonyms

All synonyms

cirrostratus cloud

Etymology

From Latin cirrus and stratus.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.