The Collaborative International Dictionary of English v.0.48:
Ninefold \Nine"fold`\, a. Nine times repeated. [1913 Webster]WordNet (r) 3.0 (2006):
ninefold adv 1: by a factor of nine; "my investment has increased ninefold" [syn: ninefold, nine times] adj 1: having nine units or components [syn: nonuple, ninefold, nine-fold]