Ballet term which does not mean between two cats.
entrechat
n.
5Fr earlier entrechasse, altered (as if < entre, between, among + chasser < OFr chacier, CHASE1) < It (capriola) intrecciata, lit., intertwined (leap) < intrecciare < in3, in + treccia, a plait: see TRESS6 Ballet a leap straight upward during which the dancer crosses the legs and beats the calves together a number of times