大型管弦樂隊(group，usually fairly large，of musicians who play together on various instruments，generally including string，woodwind，brass，and percussion instruments)[C，Gp]：a dance/string/symphony～舞蹈/弦樂/交響樂隊;He plays the violin/flute in an～.他在管弦樂隊里拉小提琴/吹笛子。He conducts the Boston Symphony O～.他指揮波士頓交響樂團(tuán)。
→or′chestral adj 管弦樂隊演奏的;管弦樂的;
【辨異】orchestra與band的區(qū)別見BAND2。