Vetullkalem describes pencil-thin eyebrows, vetullperpjekur are joined together eyebrows and those arched like the crescent moon are vetullhen.

BBC: NEWS | UK | Magazine | Tingo, nakkele and other wonders

The moon waxed over the Crescent City like a sliver over the Mississippi River, a cradle in the sky over the cradle of jazz.

NPR: Danza Quartet Welcomes 2009, Bayou Style

Tradition dictates that Ramadan, like other holy months in the Islamic calendar, begins the day after the thin crescent of the new moon is first seen with the naked eye.

FORBES: The Astronomy of Ramadan