Definitions of workhorse
  1. noun
    a horse used for plowing and hauling and other heavy labor
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    plough horse, plow horse
    a horse used to pull a plow
    draft horse, draught horse, dray horse
    horse adapted for drawing heavy loads
    a workhorse used as a pack animal
    dobbin, farm horse
    a quiet plodding workhorse
    cart horse, carthorse, drayhorse
    draft horse kept for pulling carts
    heavy feathered-legged breed of draft horse originally from Scotland
    one of a breed of grey or black draft horses originally used in France to draw heavy coaches or artillery
    shire, shire horse
    British breed of large heavy draft horse
    pole horse, poler
    a draft horse harnessed alongside the shaft or pole of a vehicle
    wheel horse, wheeler
    a draft horse harnessed behind others and nearest the wheels of a vehicle
    coach horse
    strong draft horse for drawing coaches
    type of:
    Equus caballus, horse
    solid-hoofed herbivorous quadruped domesticated since prehistoric times
  2. noun
    machine that performs dependably under heavy use
    “the IBM main frame computers have been the workhorse of the business world”
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    type of:
    any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
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