PUSH-DOWN STACKpush-down stack · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:PUSH-DOWN STACKTier 1Ordinal174Pythagorean48Reverse177Reverse Reduction69Standard1032Final Large2162Ordinal141Reduced51Atbash400Isopsephy2145Ordinal183Abjad875