Definitions

from The Century Dictionary.

  • noun In logging, an improved form of gin, mounted on a movable framework and used to load logs on sleds and cars by horse-power.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Any device used to jam radio reception.
  • noun A form of swimwear used by athletes.
  • noun A device (e.g. a jumar) which will slide along a rope in one direction but not the other, used in rock-climbing, caving etc.
  • noun A player in who attempts to score points by making their way past other players.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a transmitter used to broadcast electronic jamming

Etymologies

Sorry, no etymologies found.

Examples

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  • “The objectives of roller derby are relatively simple. Each team fields a single point scoring skater ("Jammer") whose object is to lap as many opposing skaters as they can.�?

    Gotham Girls Roller Derby

    August 23, 2009