triennial
(adjective) occurring every third year or lasting 3 years
tercentennial, tercentenary, triennial
(noun) the 300th anniversary (or the celebration of it)
Source: WordNet® 3.1
triennial (not comparable)
Happening every three years.
Lasting for three years.
• (rare): trieterical
triennial (plural triennials)
A third anniversary.
A plant that requires three years to complete its life-cycle.
Source: Wiktionary
Tri*en"ni*al, a. Etym: [L. triennium the space of three years; tri- (see Tri-) + annus year. See Annual.]
1. Continuing three years; as, triennial parliaments; a triennial reign. Howell.
2. Happening, coming about, or appearing once in every three years; as, triennial elections; a triennial catalogue; a triennial visitation. T. Warton.
Tri*en"ni*al, n.
Definition: Something which takes place or appears once in three years.
Source: Webster’s Unabridged Dictionary 1913 Edition
31 January 2025
(noun) the act of dispersing or diffusing something; “the dispersion of the troops”; “the diffusion of knowledge”
The word “coffee” entered the English language in 1582 via the Dutch “koffie,” borrowed from the Ottoman Turkish “kahve,” borrowed in turn from the Arabic “qahwah.” The Arabic word qahwah was traditionally held to refer to a type of wine.
