fourscore Meaning, Definition & Usage

  1. noun the cardinal number that is the product of ten and eight
    LXXX; 80; eighty.
  2. adjective satellite being ten more than seventy
    lxxx; 80; eighty.

WordNet

Four"score` adjective
Etymology
Four + core, n.
Definitions
  1. Four times twenty; eighty.
Four"score` noun
Definitions
  1. The product of four times twenty; eighty units or objects.

Webster 1913