Iguana (noun)

1. A large tropical American lizard with a long tail, typically greenish in color, that can run quickly on its hind legs and has a row of spines along its back.
2. A species of lizard found in Central and South America, known for its green color and spiny back.

Origin:

Early 17th century: via spanish from taíno iwana.

Examples:

1. The iguana was sunning itself on a rock.
2. The iguana was a popular pet.
3. Iguanas are herbivorous and eat leaves, flowers, and fruits.
4. Iguanas are known for their ability to change color as a way of communication.
5. Iguanas have a row of spines along their back and a long tail.