Rooster (noun)

1. An adult male chicken.
2. A person who is regarded as aggressive and confident.

Origin:

Late middle english: from old french rostier, from latin gallus "cock".

Examples:

1. The rooster was proud and strutted around the barnyard.
2. The rooster crowed loudly at the break of dawn.
3. The rooster was a colorful bird with a long tail and bright red comb.
4. The rooster was protective of his hens and would attack other roosters.
5. The rooster was a symbol of courage and power in many cultures.