Sonata

Sonata, a musical composition chiefly designed for solo instruments, especially the pianoforte, and consisting generally of three or four contrasted movements—the allegro, adagio, rondo, minuetto or scherzo; reaches its noblest expression in the sonatas of Beethoven.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Somnus * Sonderbund
Soma
Somai, Brahmo
Somaliland
Somerset House
Somersetshire
Somerville, Mrs. Mary
Somme
Somnath
Somnath, Idol of
Somnus
Sonata
Sonderbund
Sonnet
Sons of the Prophets
Sontag, Henrietta
Soochoo
Sopherim, The
Sophia, Electress of Hanover
Sophia, St.
Sophie Charlotte
Sophists