axle

axle is defined in Webster's Unabridged Dictionary (1913) with 2 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.A transverse bar or shaft connecting the opposite wheels of a car or carriage; an axletree.
  2. 2.An axis; as, the sun's axle. Had from her axle torn The steadfast earth. Milton. Note: Railway axles are called leading and trailing from their position in the front or in the rear of a car or truck respectively.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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