Give a one-word scientific term for the following:
free-floating form of Cnidaria.

Explanation

**Step-by-Step Solution:**

1. **Understand the Question**: The question asks for a one-word scientific term that describes the free-floating form of Cnidaria.

2. **Identify the Organism**: Cnidaria is a phylum that includes organisms such as jellyfish, corals, and sea anemones.

3. **Recognize the Forms of Cnidarians**: Cnidarians have two main body forms: the polyp and the medusa. The polyp is typically a stationary form, while the medusa is the free-floating form.

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