Pianissimo

[,pɪə'nɪsɪməʊ] or [,pɪə'nɪsɪmo]

(adj.) chiefly a direction or description in music; very soft .

(adv.) a direction in music; to be played very softly.

Typed by Eliza--From WordNet

(a.) Very soft; -- a direction to execute a passage as softly as possible. (Abbrev. pp.)

Edited by Darrell