altocumulus

noun al·to·cu·mu·lus \ˌal-tō-ˈkyü-myə-ləs\

plural al·to·cu·mu·li\-ˌlī, -ˌlē\

Definition of ALTOCUMULUS

: a fleecy mid-altitude cloud formation consisting of large whitish globular masses with shaded portions — see cloud illustration

See altocumulus defined for kids

New Latin, from Latin altus + New Latin -o- + cumulus

First Known Use: 1884

Next Word in the Dictionary: altocumulus castellatusPrevious Word in the Dictionary: alto clefAll Words Near: altocumulus

What made you want to look up altocumulus? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears