[triv.ia] n pl but sing or pl in constr [(assumed) NL, back-formation fr. L trivialis] (1920): unimportant matters: trivial facts or details; also, sing in constr: a quizzing game involving obscure facts
TRIVIA
Meaning of TRIVIA in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012