back onto something phrasal verb ( see also ↑ back )
if a building backs onto something, its back faces it:
The hotel backs onto St Mark’s Square.
back onto something phrasal verb ( see also ↑ back )
if a building backs onto something, its back faces it:
The hotel backs onto St Mark’s Square.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012