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| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a chattering or flighty, light-headed person. |
flagellum fla·gel·lum (flə-jěl'əm)
n. pl. fla·gel·la (-jěl'ə)
A threadlike appendage, especially a whiplike extension of certain cells or organisms that functions as an organ of locomotion.
| flagellum (flə-jěl'əm) Pronunciation Key
Plural flagella A slender whiplike part extending from some single-celled organisms, such as the dinoflagellates, that moves rapidly back and forth to impart movement to the organism. |