Botany (noun)

1. The scientific study of plants and their structure, properties, and classification.
2. The branch of biology that deals with the study of plants.

Origin:

From the greek word "botanē" meaning "plant".

Examples:

1. He studied botany to learn about different types of plants.
2. The botany class went on a field trip to study the local flora.
3. She wrote her thesis on the botany of the rainforest.
4. Botany is an important field of study for understanding the natural world.
5. The botany professor was an expert on the subject of plant diversity.