1. pickaback(r = adv.all) pig-a-back, piggyback - on a railroad flatcar; "the trailer rode piggyback across the country"
2. pickaback(r = adv.all) pig-a-back, piggyback - on the back or shoulder or astraddle on the hip; "she carried her child piggyback"
On the back or shoulders; as, to ride pickback. [1913 Webster]
"A woman stooping to take a child pickaback." [1913 Webster]
pickaback, var. of PIGGYBACK.