The Collaborative International Dictionary of English v.0.48:
Coupee \Cou*pee"\ (k[=oo]*p[=e]"; F. k[=oo]`p[asl]"), n. [F. coup['e], n., properly p. p. of couper to cut. Cf. Coup['e], Coopee.] A motion in dancing, when one leg is a little bent, and raised from the floor, and with the other a forward motion is made. --Chambers. [1913 Webster]