Radius1. (n.) A right line drawn or extending from the center of a circle to the periphery; the semidiameter of a circle or sphere.
2. (n.) The preaxial bone of the forearm, or brachium, corresponding to the tibia of the hind limb
3. (n.) A ray, or outer floret, of the capitulum of such plants as the sunflower and the daisy. See Ray.
4. (n.) The barbs of a perfect feather.
5. (n.) Radiating organs, or color-markings, of the radiates.
6. (n.) The movable limb of a sextant or other angular instrument.
Thesaurus Entries
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