n. A perennial bulb lily found in Western North America, the Calochortus nuttallii, which has trumpet-shaped flowers.
the GNU version of the Collaborative International Dictionary of English
n. A liliaceous plant (Calochortus Nuttallii) of Western North America, and its edible bulb; -- so called by the Ute Indians and the Mormons.
The Century Dictionary and Cyclopedia
n. A showy flowered plant, Calochortus Nuttallii, widely distributed in the western United States.
Word Usage
"It was the "sego" of the Indians (_Calochortus luteus_), and they knew that at its roots grew tubers, as large as filberts, and delicious eating when cooked."