noun

• (physics, astronomy) a cgs unit of luminance; the brightness of a surface that emits one lumen per square centimetre
• (countable) A male given name from the Germanic languages; in modern use partly transferred back from the surname.
• (countable) A surname originating as a patronymic.
• A number of places in the United States:
• A town in Quitman County, Mississippi.
• An inactive village in Scott County, Missouri.
• A settlement in Richland County, Montana.
• A town in Alfalfa County, Oklahoma.
• A township in Red Lake County, Minnesota.
• (uncountable) A crater in Moon, Solar System; A lunar impact crater.