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

Phrases: stab in the back, stabbed in the back, stabbing in the back, stabs in the back, had eyes in the back of head, more... ▸ Words similar to in the back ▸ Usage examples for in the back ▸ Idioms related to in the back ▸ Wikipedia articles (New!) ▸ Words that often appear near in the back ▸ Rhymes of in the back ▸ Invented words related to in the back