1. a cockroach
Usage: informal
2. a freshwater fish of the carp family
3. the butt end of a marijuana cigarette
Usage: slang

Examples

• I saw a roach scurry across the kitchen floor.
• The apartment was infested with roaches.
• He caught several roach while fishing in the pond.
• Roach are common in European rivers and lakes.
• They found a roach in the ashtray.
• The exterminator came to deal with the roach problem.