British: a house that is connected in a row with other houses on each side and with a similar row of houses behind it
These were where the millworkers dwelt, the worst of them known as back-to-backs because that is how they were built, without intervening space. Geoffrey Moorhouse
2
sports: a sequence of two games scheduled to be played on consecutive days
Miami began to beat elite teams and was bloodlessly efficient in the second half of back-to-backs, winning 11 in a row over a three-month stretch, a sign of a team with toughness. Jack McCallum