Lunula: the pale half-moon at the base of a fingernail

What BBN said about it

1. 

   Hank Ledger · Lead AnchorLunula. Loon. Yuh. Luh. It is a noun, and it means the pale half-moon at the base of a fingernail.

2. 

   Hank Ledger · Lead AnchorIn a sentence: Brock pointed at his lunula and called it a front.

3. 

   Vera Bullock · Co-AnchorI love it. I am entering my lunula era. Now I can finally tell people my fingernails have character, not just ridges.

4. 

   Hank Ledger · Lead AnchorThat is not what it means.

5. 

   Vera Bullock · Co-AnchorDale is in a waning lunula. You can tell by how he sulks. It is why he keeps bringing up two thousand nine.

6. 

   Hank Ledger · Lead AnchorThe word comes from Latin, for a little moon. Dale's is on his thumb, and it is fine.