Bowl: the cheeks of matter when filled with essential energy, such as breath or sap; known for their spherical shape; the tendency of matter to bind to itself when filled, and to extend solidity into surface, without its losing its ability to capture and hold material, such as water or pollen or wine, as it is attracted to the space it once filled itself. Vessels made out of this energy have great power. What they hold is, by the presence of the bowled shape, life.
Just let the eagles have a good time c: