overwordExplorer
LATIN · A WORD WITH POSSIBILITIES

radius.

a staff, rod

6 characters2 syllables approx.Latina language

Meaning & usage

noun[ˈra.di.ʊs]Classical-Latin[ˈraː.di.us]

  1. a staff, rod a spoke of a wheel

    declension-2 · masculine

  2. a staff, rod a rod for measurement

    declension-2 · masculine

  3. a staff, rod the radius of a circle; a rotating radial arm

    declension-2 · masculine

  4. a staff, rod a shuttle

    declension-2 · masculine

  5. a staff, rod a bolt or shaft

    declension-2 · masculine · poetic

  6. a staff, rod the spur of a bird's leg

    declension-2 · masculine

  7. a staff, rod the tail-spine of a stingray

    declension-2 · masculine

  8. a staff, rod the radius (the outer bone of a forearm)

    declension-2 · masculine

  9. a ray of light (also reflected)

    declension-2 · masculine

  10. a ray of light (also reflected) a ray extending from the eye to the object seen

    declension-2 · masculine

  11. the name of an elongated variety of olive

    declension-2 · masculine

  12. the name of a rod with which geometers make figures in dust, also known as a virga

    declension-2 · masculine
Where this word comes from

Of uncertain origin. Some connect it with rādīx and rāmus. Tucker suggests Proto-Indo-European *neredʰ- (“extend forth, rise, outward”) akin to Sanskrit वर्धते (vardhate, “rise, grow”), or from Ancient Greek ἄρδις (árdis, “sharp point”). May ultimately be from Proto-Indo-European *reh₁t- (“bar, beam, stem”).

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.