This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Being three times twenty; sixty.

n. Sixty. (60)

"As wage slaves, toiling early and late, and living abstemiously, we could not save in threescore years — nor in twenty times threescore years — a sum of money sufficient successfully to cope with the great aggregations of massed capital which now exist."

cardinal   

set   

sixty   

fourscore    white-cloaked    fifty-eight    steel-clad    twoscore    five-and-twenty    ninety-seven    eighty-two    better-trained    sixteene