decennial

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

Definitions

  1. 1.Consisting of ten years; happening every ten years; as, a decennial period; decennial games. Hallam.
  2. 2.A tenth year or tenth anniversary.

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

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