| cage | 1. An enclosure made partly or completely of open work and commonly used to house animals. 2. A structure resembling such an enclosure. Origin: M.E., fr. O.Fr., fr. L. Cavea, hollow, stall (05 Mar 2000) |
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| caged ATP | <biochemistry> A derivative of ATP that is not biologically active until a photosensitive bond has been cleaved. (21 Mar 1998) |
| Cagot ear | An auricle having no lobulus. Origin: a people in the Pyrenees among whom physical stigmata are common (05 Mar 2000) |