We found one dictionary that defines the word in one place:

Phrases: all in one place, stuck in one place, staying in one place, stay in one place, many things in one place, more... ▸ Words similar to in one place ▸ Usage examples for in one place ▸ Idioms related to in one place ▸ Wikipedia articles (New!) ▸ Words that often appear near in one place ▸ Rhymes of in one place ▸ Invented words related to in one place