Trivium
Pronunciation : Triv"i*um
Part of Speech : n.
Etymology : [LL. See Trivial.]
Definition : 1. The three " liberal" arts, grammar, logic, and rhetoric; -- being a triple way, as it were, to eloquence.
Note: The trivium and quadrivium together made up the seven liberal arts. See Quadrivium.
2. (Zo?l.)
Defn: The three anterior ambulacra of echinoderms, collectively.
Source : Webster's Unabridged Dictionary, 1913