noun. a globular cloud.
- altocumulus cloud
- cumulus cloud
noun. a collection of objects laid on top of each other.
- compost pile
- compost heap
- funeral pyre
Example sentences of the word cumulus
1. Noun, singular or mass
By late morning the movement of air in convection cells may cause cumulus clouds to form and light, gusty winds of variable speed and direction to blow.
Water vapor is the first physical state of the H2O molecule as it cycles through the cumulus cloud.