Definitions

1. adjective

resembling or characteristic of the cyperus, a genus of plants

“The cyperaceous grasses in the meadow were a common sight during summer.”

2. noun

a plant that is like a cyperus

“The gardener carefully transplanted the cyperaceous specimen to the new pot.”

3. adjective

resembling or characteristic of the Cyperaceae, a family of plants

“The cyperaceous flowers bloomed brightly in the garden during spring.”