There were several brown outs in the city last night.

The power outage is browning out the lights in the neighborhood.

The power browned out during the storm.

I saw a group of brown arguses flying in the field.

I saw a group of brown hairstreaks flying in the garden.

The brown argus is a species of butterfly found in Europe.

I spotted a beautiful brown hairstreak fluttering in the garden.

Brown coal is a type of coal that has a low carbon content and is commonly used as fuel for power generation.

The meadow brown is a common butterfly found in grassy areas.

I saw a beautiful wall brown butterfly in the garden.