From Longman Dictionary of Contemporary Englishbuttercupbut‧ter‧cup /ˈbʌtəkʌp $ -ər-/ noun [countable] HBPa small shiny yellow wild flower
Examples from the Corpus
buttercup• So any docks, dandelions and creeping buttercup go straight to the tip and good riddance to them too.• Then he picked up the fainter smells of buttercups and horses.• There were certainly forget-me-nots, violets, white wood anemones, huge numbers of dandelions and some buttercups.• Dotty Harmer's cottage was the only house to be seen here, basking among the buttercups like a warmly golden cat.• He's forgotten what it is to sit and hold hands among the buttercups.• We went too, but were not allowed in the hospital, so we played in the buttercup fields.• The Great River swept sluggishly through meads that were aflame with buttercups and dotted with the last patches of melting snow.• It was summer days drenched with sunlight, fields yellow with buttercups, and barn lofts sweet with hay. 