You know what it looks like… but what is it called?
TAKE THE QUIZ“to-back”
The following 3 entries include the term to-back.
back-to-back
adjective or adverb: facing in opposite directions and often touching
back-to-back
noun: a house that is connected in a row with other houses on each side and with a similar row of houses behind it
front to back
idiom: with the front where the back should be : backwards
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Merriam-Webster unabridged
