*concamerate*

v. t. [ L. concameratus, p. p. of concamerare to arch over. See Camber. ] 1. To arch over; to vault. [ 1913 Webster ]

Of the upper beak an inch and a half consisteth of one concamerated bone. Grew. [ 1913 Webster ]

2. To divide into chambers or cells. Woodward. [ 1913 Webster ]