sundrops['sʌndrɔps]
[复] n.[


单

复][植]月见草
sundrops[ noun ]a day-flowering biennial or perennial of the genus Oenothera<noun.plant> 
Sundrops \Sun"drops`\, n. [Sun + drop.] (Bot.)
Any one of the several species of {Kneiffia}, esp. {K.
fruticosa} (syn. {[OE]nothera fruticosa}), of the
Evening-primrose family, having flowers that open by
daylight.
[Webster 1913 Suppl.]