waist /weist/ n. ［c］腰，腰部：a large (small) waist 粗(细)腰；measure one’s waist 量某人的腰围 He’s getting a bit thick around the waist.他的腰部有点儿胖起来了。We were waist-deep in the water. 我们在齐腰深的水中。

waistcoat n. 西服背心；马甲