Home › Words › S › suncupsuncupsuncup means the evening primrose.Among words judged in Lexicurio's Arena, suncup ranks #2,613 of 42,762 for Qualifying.EtymologyFrom sun + cup.nounThe evening primrose.e.g.“In spring, this meadow glows with bright orange California poppies and yellow suncups; by summer, golden oat grass covers the sloping fields.” — 2008, Jean Rusmore, Bay Area Ridge Trail:A bowl-shaped open depression in a snow surface, formed by ablation.Definitions & examples from Wiktionary (CC BY-SA 3.0).