Lou

plural Lous

1. A unisex given name.
   1. countableuncountableA diminutive of the male given name Louis.

      Or it’s the man who has listened to Lou Dobbs ranting about people crossing the borders or who has heard some incredibly nasty sermon about homosexuals and thinks to himself, “My race, my people, my tribe are under assault, and the brave young men of the tribe have to protect it.”

      2010 March 9, Amy Frykholm, quoting Mark Potok, “Enemies of the people: Mark Potok monitors hate”, in The Christian Century

   2. countableuncountableA diminutive of the female given names Louisa and Louise; often also used as a middle name.
2. countableuncountablewith definite articleNickname for St. Louis: a major city in Missouri, United States.

1. A Southeast Admiralty Islands language spoken on Lou Island of Manus Province, Papua New Guinea.
2. The Torricelli language of Papua New Guinea.