definitions
  • synonyms

bull wheel


noun Machinery.

any large driving gear among smaller gears.

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Nearby words

bull stretcher, bull terrier, bull thistle, bull tongue, bull trout, bull wheel, bull's nose, bull's wool, bull's-eye, bull's-eye mirror, bull's-eye rot

Origin of bull wheel

An Americanism dating back to 1820–30
Also called bull gear.

Definition for bull gear (2 of 2)

bull gear


noun Machinery.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019