Word Direct Answers

involute

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

Definitions

  1. 1.(Zoöl.) (a) Turned inward at the margin, as the exterior lip of the Cyprea. (b) Rolled inward spirally.
  2. 2.A curve traced by the end of a string wound upon another curve, or unwound from it; -- called also evolvent. See Evolute.

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

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