|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|a chattering or flighty, light-headed person.|
cochlea coch·le·a (kŏk'lē-ə, kō'klē-ə)
n. pl. coch·le·as or coch·le·ae (-lē-ē')
A spiral-shaped cavity in the petrous portion of the temporal bone of the inner ear, containing the nerve endings essential for hearing and forming one of the divisions of the labyrinth.