TREFOIL ARCHtrefoil arch · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:TREFOIL ARCHTier 1Ordinal115Pythagorean61Classical110Reverse182Reverse Reduction65Standard934Final Large934Ordinal115Reduced34Atbash213Isopsephy1716Ordinal150Abjad953