Definition from Wiktionary, the free dictionary
Alternative forms 
- IPA: /oːld/
- IPA: /ɔld/ (Central Scots and some Southern Scots dialects; [d] omitted in some dialects)
- IPA: /ald/ (Doric and most Southern Scots dialects; [d] omitted in Doric)
The second pronunciation occurs in Scots dialects with the cat-caught merger (where both are pronounced /kat/; not to be confused with the cot-caught merger), but the first occurs in those who have it.