1. Plural of cumulus; large, white, fluffy clouds with flat bases, typically indicating fair weather.
Usage: meteorology; standard plural form

Examples

• On a clear summer day, cumuluses dotted the blue sky.
• The meteorologist identified several cumuluses forming over the mountains.
• Children pointed at the cumuluses, imagining them as castles and animals.
• Cumuluses typically develop in the morning and dissipate by evening.
• The forecast predicted scattered cumuluses with no precipitation expected.