a. [ 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. [ 1913 Webster ]
2. Happening, coming about, or appearing once in every three years; as, triennial elections; a triennial catalogue; a triennial visitation. T. Warton. [ 1913 Webster ]
[独占鳌头 / 獨佔鰲頭, dú zhàn áo tóuㄉㄨˊ ㄓㄢˋ ㄠˊ ㄊㄡˊ] to monopolize the turtle head (成语 saw, refers to carved marble steps of the palace); to come first in triennial palace examinations; the champion; the very best in any field#44527
[独占鼇头 / 獨佔鼇頭, dú zhàn áo tóuㄉㄨˊ ㄓㄢˋ ㄠˊ ㄊㄡˊ] variant of 獨佔鰲頭|独占鳌头, to monopolize the turtle head (成语 saw, refers to carved marble steps of the palace); to come first in triennial palace examinations; the champion; the very best in any field, See Also: 獨佔鰲頭, 独占鳌头, 成语