2d en · ADJ Meanings (abbreviation, alt-of) Abbreviation of two-dimensional; 2D. alt of two-dimensional (alt-of, obsolete) Obsolete form of 2nd. alt of 2nd
2d en · NOUN Meanings (Ireland, UK, abbreviation, alt-of, historical, usually) Abbreviation of two pence, tuppence (in pre-decimalisation currency, never used for 'two new pence'). alt of tuppencealt of two pence