Single Words:
* Bouquet: This is the most common and formal word for a bunch of flowers.
* Posy: A small, often hand-tied bouquet.
* Nosegay: Similar to a posy, but typically includes herbs or foliage.
* Arrangement: A more general term that can refer to flowers arranged in a vase or other container.
Phrases:
* Bunch of flowers: This is a simple and informal way to describe a group of flowers.
* Flowers in a vase: This phrase is often used to describe a decorative arrangement of flowers.
* Floral display: This term can refer to a large and elaborate arrangement of flowers.
The best word or phrase to use depends on the specific context and the type of flowers involved.