n. 1 inner surface of the hand between the wrist and fingers. 2 part of a glove that covers this. v. conceal in the hand. o palm off 1 (often loll. by on) impose fraudulently (on a person) (palmed my old car off on him). 2 (often foil. by with) cause (a person) to accept unwillingly or unknowingly (palmed him off with my old car). [Latin palma]