trio
TRIO
Union of three voices *cantus musicorum ternarius.
Three together tres: trini -ae -a.
Union of three voices *cantus musicorum ternarius.
Three together tres: trini -ae -a.
trio: in music, *cantus ternarius (cantus musicorum t., Kr.): three persons together, perh. trīnio, ōnis, m.: Isid.