a large, rectangular wooden frame curved legs a flat lid/cover a keyboard with black and white keys three or more pedals strings and hammers visible inside the frame a bench for the pianist to sit on
grand piano which is a large, rectangular wooden frame grand piano which has curved legs grand piano which is a flat lid/cover grand piano which is a keyboard with black and white keys grand piano which has three or more pedals grand piano which has strings and hammers visible inside the frame grand piano which is a bench for the pianist to sit on