n. [ Pref. pre- + L. flos, floris, flower. ] (Bot.) Aestivation. [ 1913 Webster ]
n. [ Cf. F. perforation. ] 1. The act of perforating, or of boring or piercing through. Bacon. [ 1913 Webster ]
2. A hole made by boring or piercing; an aperture. “Slender perforations.” Sir T. Browne. [ 1913 Webster ]