Entry 3 senses · 3 variants Webster, 1913 Fourfold /fôrˌ-fōld'/ · Four·fold · IPA /ˈfɔɹ.foʊld/ a. & adv. n. v. t. 01 a. & adv. Four times; quadruple; as, a fourfold division. 1. Four times; quadruple; as, a fourfold division. “He shall restore the lamb fourfold.” — 2 Sam. xii. 6. 02 n. Four times as many or as much. 1. Four times as many or as much. 03 v. t. To make four times as much or as many, as an assessment; to quadruple. 1. To make four times as much or as many, as an assessment; to quadruple.