How do you spell Galea

Available Definitions:
1)  n. - The upper lip or helmet-shaped part of a labiate flower.
2)  n. - A kind of bandage for the head.
3)  n. - Headache extending all over the head.
4)  n. - A genus of fossil echini, having a vaulted, helmet-shaped shell.
5)  n. - The anterior, outer process of the second joint of the maxillae in certain insects.