Definitions

1. noun

A plant with a tall, narrow stem bearing a tuft of leaves at the top and a spike of brown flowers, especially the common cattail (Typha latifolia).

“The park along the lake is filled with cattails and other aquatic plants.”

2. noun

A long, thin structure, such as a tail or a flag, that resembles a cattail.

“The sailboat’s boom had a cattail that caused it to lose speed.”