名詞
喺廣場、公園等空曠地方進行嘅集體健身操或者舞蹈，通常會用高分貝、節奏感強嘅音樂伴奏；參與者多數係中年婦女（大媽） an exercise or dance routine performed to music in squares or parks
近義詞
廣場舞
Definitions (Wiktionary)
noun
square dancing as performed by a group of middle-aged and retired women (“dancing grannies”)