plural of upper class

(anatomy) The part of respiratory tract consisting of nose, oral cavity, pharynx. / (anatomy) The part of respiratory tract consisting of nose, oral cavity, pharynx and epiglottis.

plural of upper arm

plural of washer-upper

(humorous) One who does the washing up.

(government) The upper legislative house in a bicameral legislature; usually smaller and having more restricted power than the lower house.

(government) The upper legislative chamber in a bicameral legislature; usually smaller and having more restricted power than the lower chamber.

plural of upper chamber

plural of upper house

(informal) Someone or something who wakes people up. / (informal) rumble strip