Word Direct Answers

cotter

cotter is defined in Webster's Unabridged Dictionary (1913) with 3 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.A piece of wood or metal, commonly wedge-shaped, used for fastening together parts of a machine or structure. It is driven into an opening through one or all of the parts. Note: [See Illust.] In the United States a cotter is commonly called a key.
  2. 2.A toggle.
  3. 3.To fasten with a cotter.

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

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