(anatomy) Either of the two valves in the heart, situated between the atria and the ventricles, that prevent backflow from the ventricles into the atria during systole.

(countable) A surname from Japanese. / A city near Nagoya in Japan, where the eponymous manufacturer has its headquarters. / (automotive) The Toyota Motor Corporation, a Japanese manufacturer of cars.

plural of smooth operator

Third-person singular simple present indicative form of orthonormalize