Definition of t-break:
(n) :
(informal, with the) The Massachusetts Bay Transportation Authority, or MBTA; specifically, the subway or train.
(n) :
(informal, with the) The roughly T-shaped rural part of Pennsylvania, located between Philadelphia and Pittsburgh.
(n) :
(stock ticker symbol) AT&T.
(n) :
Abbreviation of time. [(uncountable) The inevitable progression into the future with the passing of present and past events.]
(n) :
Alternative letter-case form of T, ton. [(stock ticker symbol) AT&T.]
(n) :
(UK) Alternative letter-case form of T, tonne. [(stock ticker symbol) AT&T.]