rooster

noun

• A male domestic chicken (Gallus gallus domesticus) or other gallinaceous bird.
• A bird or bat which roosts or is roosting.
• An informer.
• A violent or disorderly person.
• A powerful, prideful, or pompous person.
• (originally United States slang) A man.
• A wild violet, when used in a children's game based on cockfighting.
• Legislation solely devised to benefit the legislators proposing it.