Pronunciation: (ād), [key]
George, 1866–1944, U.S. humorist.
1. a suffix found in nouns denoting action or process or a person or persons acting, appearing in loanwords from French and sometimes from Spanish (cannonade; fusillade; renegade), but also attached to native stems: blockade; escapade; masquerade.
2. a noun suffix indicating a drink made of a particular fruit, normally a citrus: lemonade.
a collective suffix like -ad 1: decade.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.