Definition of musicals:
(adj) :
Of, belonging or relating to music, or to its performance or notation.
(adj) :
Pleasing to the ear; sounding agreeably; having the qualities of music; melodious; harmonious.
(adj) :
Fond of music; discriminating with regard to music; gifted or skilled in music.
(n) :
A stage performance, show or film that involves singing, dancing and musical numbers performed by the cast as well as acting.
(adj) :
Pertaining to a class of games in which players move while music plays, but have to take a fixed position when it stops; by extension, any situation where people repeatedly change positions.
(n) :
(probably archaic or obsolete) A meeting or a party for a musical entertainment; a musicale.