• WordNet 3.6
    • n flagellum a lash-like appendage used for locomotion (e.g., in sperm cells and some bacteria and protozoa)
    • n flagellum a whip used to inflict punishment (often used for pedantic humor)
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Webster's Revised Unabridged Dictionary
    • Flagellum (Zoöl) A lashlike appendage of a crustacean, esp. the terminal ortion of the antennæ and the epipodite of the maxilipeds. See Maxilliped.
    • Flagellum (Zoöl) A long, whiplike cilium. See Flagellata.
    • Flagellum (Bot) A young, flexible shoot of a plant; esp., the long trailing branch of a vine, or a slender branch in certain mosses.
    • Flagellum (Zoöl) An appendage of the reproductive apparatus of the snail.
    • ***
Century Dictionary and Cyclopedia
    • flagellum In Rom. archæol., a scourge. The Roman scourges were made of leather thongs, several being attached to one handle, and sometimes of cord, to which metal rings were attached, or of wire twisted and eyed so as to form links, the instrument then consisting of many such links in strands of chain.
    • flagellum [NL.] In botany: A runner; a weak, creeping shoot sent out from the bottom of the stem, and rooting and forming new plants at the nodes, as in the strawberry
    • flagellum A twig or young shoot.
    • flagellum In certain Hepaticæ, a lashlike branch formed on the ventral surface of the stem, and bearing rudimentary leaves.
    • flagellum In biology, a long lash-like appendage to certain infusorians, bacteria, and protoplasmic reproductive bodies in cryptogams; a large cilium. By means of rapid vibration it serves as an organ of locomotion.
    • flagellum In entomology, the outer portion of a geniculate antenna, or of any antenna which has a long basal joint with shorter and regular joints beyond it. The basal joint is then called the scape, and the remainder of the organ is the flagellum. In Diptera and Nemocera it includes the whole antenna, exclusive of the two basal joints or scapes.
    • n flagellum In sporozoans, a vibratile male gamete in Halteridium, a blood-parasite found in birds.
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Chambers's Twentieth Century Dictionary
    • n Flagellum a scourge: :
    • n Flagellum (bot.) a runner
    • n Flagellum (biol.) a large cilium or appendage to certain infusorians, &c
    • ***


Webster's Revised Unabridged Dictionary
L., a whip. See Flagellate (v. t.)
Chambers's Twentieth Century Dictionary
L. flagellāre, -ātumflagellum, dim. of flagrum, a whip.


In literature:

For a moment Sister Agnetia's arm hung flaccid, the cords of the flagellum pendant and still.
"The Lamp of Fate" by Margaret Pedler
Non est poena damnantis sed flagellum corrigentis.
"The Anatomy of Melancholy" by Democritus Junior
A flagellum has been demonstrated as attached to one or both extremities.
"Scientific American Supplement, No. 787, January 31, 1891" by Various
On the stage of the instrument, the Bacterium with its flagellum in distinct focus is placed.
"Scientific American Supplement, Vol. XIX, No. 470, Jan. 3, 1885" by Various
One flagellum usually quite large and distinct.
"Marine Protozoa from Woods Hole" by Gary N. Calkins
The flagellum beneath fulvous; the mandibles ferruginous.
"Journal of the Proceedings of the Linnean Society - Vol. 3" by Various
Post-annellus: in Hymenoptera, the 4th joint of antenna and 2d of flagellum.
"Explanation of Terms Used in Entomology" by John. B. Smith
Tim and his congeries hate the clerics, but they fear the flagellum.
"Ireland as It Is" by Robert John Buckley (AKA R.J.B.)
From the blepheroplast of one of the daughter cells a new flagellum is formed.
"Handbook of Medical Entomology" by William Albert Riley
An anterior lateral trailing flagellum may modify this axial rotation, and help in steering.
"Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 4" by Various