ambidextrianism 1. the ability to use both hands equally well. 2. an unusual cleverness. 3. deceitfulness. Also ambidexterity. —ambidextrous, adj. chiragra a pain in the hand. chirapsia a friction caused by rubbing skin with the hand; massage. chirocosmetics a beautifying of the hands. —chirocosmetic, adj. chirognomy, cheirognomy the theories and activity of palmistry. —chirognomist, cheirognomist, n. chirology, cheirology Rare. the study of the hands. chiromancy palmistry. chiroplasty plastic surgery of the hand. chirothesia the imposition of hands, usually on the head, in certain rituals, as confirmation and ordination. chirotony 1. Ecclesiastic. the extending of the hands in blessing during certain rituals. 2. an election by show of hands. mancinism the state of left-handedness. palmistry the art of telling a person’s character, past, or future by the lines, marks, and mounts on his palms. Also called chiromancy. —palmist, n. pendactylism the condition of having five digits on each hand and foot. —pendactylate, pendactylic, pendactylous, adj. perissodactylism the condition of having more than the usual number of digits on a hand or foot which are also excessively large and uneven. —perisso-dactylate, perissodactylic, perissodactylous, adj. polydactylism the condition of having more than a normal number of fingers or toes. —polydactylous, adj. prestidigitation the performance of tricks and illusions by the quick and skillful use of the hands; conjuring; sleight of hand. Also called prestigiation. —prestidigitator, n. —prestidigitatorial, prestidigitatory, adj. quadrumane an animal, as a monkey, having four hands. —quadrumanous, adj. sexdigitism the condition of having six fingers on each hand. sexdigitist a person who has six fingers or six toes. sinistrality the condition of being left-handed. —sinistral, adj. syndactylism the union of two or more digits, common in many birds such as kingfishers and hornbills. —syndactylic, adj. —syndactyly, n.