The use of 'palm' in option (2) is 'to cheat or defraud'. In option (3), the meaning is 'prosperous or flourishing'. In sentence (4), the meaning is 'inner surface of a glove'. In all these sentences the usage is correct and appropriate. Palm in (5) is symbolic of victory. In sentence (1), the word palm has been used in reference to palm trees. The correct usage should be 'palm leaf'. Therefore, option (1) has incorrect usage of the term palm.