home p Amalia Ulman piano pi⋅an⋅o [pee-an-oh] –noun 1. a musical instrument in which felt-covered hammers, operated from a keyboard, strike the metal strings. a b c d e f g h i j k l m n o p q r s t u v w x y z pear pearl pharmacy pebble piano photograph photographer pig pigeon pile pill ping-pong pink-pleas