Fern (noun)

1. A type of vascular plant that reproduces by spores, typically characterized by long, feathery fronds and a stem-like structure called a rhizome.
2. A plant that belongs to the fern family and typically has feathery or leafy fronds.

Origin:

Old english fearn, of germanic origin; related to dutch varen and german farne.

Examples:

1. The forest floor was covered in ferns.
2. Ferns are a common feature of rainforests.
3. Ferns are an ancient group of plants.
4. Ferns can be found in a variety of habitats, including forests, deserts, and wetlands.
5. Ferns are popular houseplants, due to their ability to purify the air.