a. [ AS. eahtatig, where the ending -tig is akin to English ten; cf. G. achtzig. See Eight, and Ten. ] Eight times ten; fourscore. [ 1913 Webster ]
n. 1. The sum of eight times ten; eighty units or objects. [ 1913 Webster ]
2. A symbol representing eighty units, or ten eight times repeated, as 80 or lxxx. [ 1913 Webster ]