dan·dle 
/ˈdændəl/ verb
dan·dles; dan·dled; dan·dling /ˈdændəl/ verb [+ obj] chiefly Brit : to move (a baby) up and down in your arms or on your knee as a way of playing
▪ He was sitting in a corner dandling [=bouncing] his baby daughter on his knee.
▪ He was sitting in a corner dandling [=bouncing] his baby daughter on his knee.
