We found one dictionary that defines the word 2nd millennium:

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1. 2nd millennium: Wikipedia, the Free Encyclopedia

Phrases: 2nd millennium BC, more... ▸ Words similar to 2nd millennium ▸ Usage examples for 2nd millennium ▸ Idioms related to 2nd millennium ▸ Wikipedia articles (New!) ▸ Words that often appear near 2nd millennium ▸ Rhymes of 2nd millennium ▸ Invented words related to 2nd millennium