n. [ L. opsonatio. ] A catering; a buying of provisions. [ Obs. ] Bailey. [ 1913 Webster ]

n. [ Cf. F. pronation. ] (Physiol.) (a) The act of turning the palm or palmar surface of the forefoot downward. (b) That motion of the forearm whereby the palm or palmar, surface is turned downward. (c) The position of the limb resulting from the act of pronation. Opposed to supination. [ 1913 Webster ]