Cy·​pe·​rus | \ sīˈpirəs, sə̇ˈ-\

Definition of Cyperus

: a genus of plants (family Cyperaceae) having the scales of the spikelet 2-ranked, the flowers all perfect, and the spikelets alike — see galingale sense 2, nut grass sense 1a, papyrus sense 1, umbrella plant sense 1

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History and Etymology for Cyperus

New Latin, from Latin cyperos, a kind of rush, from Greek kypeiros, probably of Semitic origin; akin to Hebrew kōper, a resin

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incapable of being surmounted or overcome

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