curt·sy also curt·sey 
/ˈkɚtsi/ noun
plural curt·sies also curt·seys /ˈkɚtsi/ noun [count] : a formal way of greeting an important person (such as a king or queen) in which a woman shows respect by placing one foot slightly behind the other and bending her knees
— curtsy also curtsey verb, curtsies also curtseys; curt·sied also curt·seyed; curt·sy·ing also curt·sey·ing [no obj]
▪ She curtsied before the queen.
▪ She curtsied before the queen.
