chu·fa (chōō'fə) n. An Old World sedge (Cyperus esculentus var. sativus) having edible nutlike tubers.
[From Spanish chufar, to make fun of, alteration of chuflar, to whistle, ridicule, from Vulgar Latin *sufilāre, alteration of Latin sībilāre, sīfilāre, to hiss, whistle at; see sibilant.]