Related topics: Education, Human
quad /kwɒd $ kwɑːd/ noun [countableC] informal 1. SEa square open area with buildings all around it, especially in a school or college 〔周围有建筑物的〕方形中庭,四方院子〔尤见于学校〕
2. HBHa quadruplet 四胞胎之一
3. quads informal [plural] quadriceps 四头肌