adj. /nuyn"fohld'/ ; adv. /nuyn"fohld"/ , adj.
1. nine times as great or as much.
2. having nine elements or parts.
adv.
3. in a ninefold manner or measure; to or by nine times as much: to increase one's income ninefold.
[ bef. 1000; NINE + -FOLD; cf. OE nigonfeald in same sense (not attested in ME) ]