clou

n. (French) nail; cynosure, major point of interest; highlight (as the most memorable or outstanding feature, event, experience etc.)

Clou is a Czech rock band from Prague, Czech Republic. They are know for their hit "Snowy Wings".The band was founded in the Spring of 2001. They soon released their EP in 2002 called "First" which included 3 songs. In 2003 the band appeared in the festival ROCK for PEOPLE as well as the Mystic Skate Cup.
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n. clou, ynosure, major point of interest; highlight (as the most memorable or outstanding feature, event, experience etc.)

n. nail; stud; showpiece; clink (Slang)

n. crucial point, peak, climax