We found one dictionary that defines the word two become one:

General (1 matching dictionary)

1. Two Become One: Wikipedia, the Free Encyclopedia

Phrases: when two things become one, two parts become one, two person become one, more... ▸ Words similar to two become one ▸ Usage examples for two become one ▸ Idioms related to two become one ▸ Wikipedia articles (New!) ▸ Words that often appear near two become one ▸ Rhymes of two become one ▸ Invented words related to two become one