pupilPU'PIL, n. [L. pupilla, dim. of pupa,pupus. See Pup.] The apple of the eye; a little aperture in the middle of the iris and uvea of the eye, through which the rays of light pass to the crystalline humor, to be painted on the retina. PU'PIL, n. [L. pupillus, dim. of pupa, pupus. See Pup.] |