retinal cone n.
See cone cell.
| retinal cone | |
noun | |
| a visual receptor cell in the retina that is sensitive to bright light and to color [syn: cone] |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a gadget; dingus; thingumbob. |