pianissimo[pē′ə nis′i mō′; It pyä nēs′sē mō̂′]
pianissimo definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
very soft(ly): often used as a musical direction
Origin: Italian superlative of piano: see piano,
pianissimo definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Musicadverb & adj. Abbr. pp
In a very soft or quiet tone. Used chiefly as a direction.noun pl. pi·a·nis·si·mos
A part of a composition played very softly or quietly.
Origin: Italian, superlative of piano, soft; see piano2.
pianissimo - Cultural Definition
A musical direction meaning “to be performed very softly”; the opposite of fortissimo.