Such as may be found everywhere; commonplace; ordinary; vulgar.Trifling; insignificant; of little worth or importance; paltry.Occupying one's self with trifles; trifling.Of or pertaining to the trivium, or the first three liberal arts—grammar, rhetoric, and logic; hence, initiatory; rudimentary.In zoology and botany: Common; popular; vernacular; not technical: noting the popular or familiar names of animals or plants, as distinguished from the technical New Latin names.Specific; not generic: noting what used to be called the nomen triviale—that is, the second or specific term in the binomial technical name of an animal or a plant, such terms being often adopted or adapted from a popular name or epithet.In echinoderms, specifically, of or pertaining to the trivium: as, the trivial (anterior) ambulacra of a sea-urchin.n. One of the three liberal arts which constitute the trivium.n. A coefficient or other quantity not containing the quantities of the set considered.