Definitions

1. noun

a person, especially a young person, who wears a long, usually black, coat, typically for a specific activity or occasion, such as a school uniform

“The blackcoat students were known for their excellent academic performance.”

2. noun

a person who is gloomy or somber in appearance or attitude, especially because of wearing black clothes

“After the loss, the blackcoat fans were seen walking out of the stadium in silence.”

3. noun

a coat or garment that is black

“The blackcoat she wore was perfect for the formal event.”