cirrocumulus
noun
cir·ro·cu·mu·lus ˌsir-ō-ˈkyü-myə-ləs 
: a high-altitude cloud form consisting of small white rounded masses usually in regular groupings see cloud illustration
Example Sentences
Recent Examples on the Web So cloud iridescence usually happens in lenticular or alto-cumulus, cirrus and cirrocumulus clouds. 
Caitlin O'kane, CBS News, 12 Aug. 2022 The three main types are cirrus, cirrostratus and cirrocumulus. Anna Kaufman, USA TODAY, 17 July 2022 High clouds are classified as either cirrus, cirrostratus, or cirrocumulus. Catherine Zuckerman, National Geographic, 24 Apr. 2019 Within the lenticular category itself, there are several types: Altocumulus standing lenticular, stratocumulus standing lenticular and cirrocumulus standing lenticular. Kathryn Prociv, Washington Post, 16 Feb. 2018
Caitlin O'kane, CBS News, 12 Aug. 2022 The three main types are cirrus, cirrostratus and cirrocumulus. Anna Kaufman, USA TODAY, 17 July 2022 High clouds are classified as either cirrus, cirrostratus, or cirrocumulus. Catherine Zuckerman, National Geographic, 24 Apr. 2019 Within the lenticular category itself, there are several types: Altocumulus standing lenticular, stratocumulus standing lenticular and cirrocumulus standing lenticular. Kathryn Prociv, Washington Post, 16 Feb. 2018 Word History
Etymology
New Latin
First Known Use
circa 1803, in the meaning defined above