sexcentenary

[ seks-sen-ten-uh-ree, seks-sen-tn-er-ee or, esp. British -sen-tee-nuh-ree ]
/ ˌsɛks sɛnˈtɛn ə ri, sɛksˈsɛn tnˌɛr i or, esp. British -sɛnˈti nə ri /

adjective

pertaining to 600 or a period of 600 years; marking the completion of 600 years.

noun, plural sex·cen·ten·ar·ies.

a 600th anniversary or its celebration.

Origin of sexcentenary

First recorded in 1770–80; sex- + centenary

British Dictionary definitions for sexcentenary

sexcentenary
/ (ˌsɛksɛnˈtiːnərɪ) /

adjective

of or relating to 600 or a period of 600 years
of, relating to, or celebrating a 600th anniversary

noun plural -naries

a 600th anniversary or its celebration

Word Origin for sexcentenary

C18: from Latin sexcentēnī six hundred each