Definition

Noun 1. A European sedge plant (Cyperus esculentus) producing small, edible, nut-like tubers: This term refers specifically to a perennial plant species in the sedge family, characterized by its grass-like appearance and the production of underground tubers that are consumed as food.

Examples of Usage

• The rush nut has been cultivated since ancient times for its nutritious tubers.
• In some regions, the tubers of the rush nut are dried and ground into flour.
• Rush nut is also known by other common names, such as chufa or tiger nut.

Advanced Usage

• The term is primarily used in botanical and agricultural contexts to identify the plant species var. , which is cultivated for its tubers. The wild variety is often considered a weed.
• In historical texts, "rush nut" may be referenced as a traditional food source.

Variants and Related Words

• Chufa: The most common alternative name for the plant and its edible tubers.
• Tiger Nut: A modern marketing name for the edible tuber of the rush nut plant.
• Earth Almond: Another descriptive name for the tuber.
• Cyperus esculentus: The scientific (Latin) name for the plant species.

Synonyms

• Chufa
• Tiger Nut
• Earth Almond
• Yellow Nutsedge (Note: This typically refers to the weedy form)

Notes on Meaning

• The term "rush nut" is a compound noun where "rush" refers to its grass-like, rush-like appearance, and "nut" describes the hard, tuberous, nut-like edible part it produces. It is not a true nut in the botanical sense.
• The primary meaning is the plant itself. Its edible product is usually referred to by the tuber's name (e.g., chufa, tiger nut).

Noun

1. European sedge having small edible nutlike tubers