• Rod

    Pronunciation

    • UK IPA: /ɹɒd/
    • US IPA: /ɹɑd/
    • Rhymes: -É’d

    Origin

    Old English *rodd or *rodde (attested in dative plural roddum), of uncertain origin.

    Full definition of rod

    Noun

    rod

    (plural rods)
    1. A straight, round stick, shaft, bar, cane, or staff.The circus strong man proved his strength by bending an iron rod, and then straightening it.
    2. (fishing) A long slender usually tapering pole used for angling; fishing rod.When I hooked a snake and not a fish, I got so scared I dropped my rod in the water.
    3. A stick, pole, or bundle of switches or twigs (such as a birch), used for personal defense or to administer corporal punishment by whipping.
      • 1603, John Florio, translating Michel de Montaigne, Essays, II.8:So was I brought up: they tell mee, that in all my youth, I never felt rod but twice, and that very lightly.
    4. An implement resembling and/or supplanting a rod (particularly a cane) that is used for corporal punishment, and metonymically called the rod, regardless of its actual shape and composition.The judge imposed on the thief a sentence of fifteen strokes with the rod.
    5. A stick used to measure distance, by using its established length or task-specific temporary marks along its length, or by dint of specific graduated marks.I notched a rod and used it to measure the length of rope to cut.
    6. (sixteenhalffeet)(archaic) A unit of length equal to 1 pole, a perch, ¼ chain, 5½ yards, 16½ feet, or exactly 5.0292 meters (these being all equivalent).
    7. An implement held vertically and viewed through an optical surveying instrument such as a transit, used to measure distance in land surveying and construction layout; an engineer's rod, surveyor's rod, surveying rod, leveling rod, ranging rod. The modern (US) engineer's or surveyor's rod commonly is eight or ten feet long and often designed to extend higher. In former times a surveyor's rod often was a single wooden pole or composed of multiple sectioned and socketed pieces, and besides serving as a sighting target was used to measure distance on the ground horizontally, hence for convenience was of one rod or pole in length, that is, 5½ yards.
    8. (archaic) A unit of area equal to a square rod, 30¼ square yards or 1/160 acre.The house had a small yard of about six rods in size.
    9. A straight bar that unites moving parts of a machine, for holding parts together as a connecting rod or for transferring power as a drive-shaft.The engine threw a rod, and then went to pieces before our eyes, springs and coils shooting in all directions.
    10. (anatomy) Short for rod cell, a rod-shaped cell in the eye that is sensitive to light.The rods are more sensitive than the cones, but do not discern color.
    11. (biology) Any of a number of long, slender microorganisms.He applied a gram positive stain, looking for rods indicative of Listeria.
    12. (chemistry) A stirring rod: a glass rod, typically about 6 inches to 1 foot long and 1/8 to 1/4 inch in diameter that can be used to stir liquids in flasks or beakers.
    13. (slang) A pistol; a gun.
    14. (slang) A penis.
    15. (slang) A hot rod, an automobile or other passenger motor vehicle modified to run faster and often with exterior cosmetic alterations, especially one based originally on a pre-1940s model or (currently) denoting any older vehicle thus modified.
    16. (ufology) rod-shaped objects which appear in photographs and videos traveling at high speed, not seen by the person recording the event, often associated with extraterrestrial entities
      • 2000, Jack Barranger, Paul Tice, Mysteries Explored: The Search for Human Origins, Ufos, and Religious Beginnings, Book Tree, page 37:These cylindrical rods fly through the air at incredible speeds and can only be picked up by high-speed cameras.
      • 2009, Barry Conrad, An Unknown Encounter: A True Account of the San Pedro Haunting, Dorrance Publishing, pages 129–130:During one such broadcast in 1997, the esteemed radio host bellowed, “I got a fax earlier today from MUFON (Mutual UFO Network) in Arizona and they said what you think are rods are actually insects!”
      • 2010, Deena West Budd, The Weiser Field Guide to Cryptozoology: Werewolves, Dragons, Skyfish, Lizard Men, and Other Fascinating Creatures Real and Mysterious, Weiser Books, page 15:He tells of a home video showing a rod flying into the open mouth of a girl singing at a wedding.
    17. (mathematics) a Cuisenaire rods

    Synonyms

    • (objects in photographs and videos) skyfish

    References

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