bluegrassOur editors are putting together more complete content — check back in about 20 minutesbluegrassbluegrass — noun名詞1. a type of grass with blue-green color1.名詞釋義a type of grass with blue-green color例句The bluegrass field stretched for miles.2. a style of folk music from the southern US2.名詞釋義a style of folk music from the southern US例句They played bluegrass at the festival.