ˈsevntɪ n. & adj. --n. (pl. -ies) 1
the product of
seven and ten. 2 a
symbol for this (70,
lxx, LXX). 3 (in pl.) the numbers
from 70 to 79,
esp. the years of a
century or of a person's
life. --adj.
that amount to seventy. øseventy-first, -second , etc. the
ordinal numbers
between seventieth and eightieth. seventy-one, -two , etc. the
cardinal numbers between seventy and
eighty. øøseventieth adj. & n. seventyfold adj. & adv. [OE -seofontig]