WordReference Random House Learner's Dictionary of American English © 2015
post•al /ˈpoʊstəl/USA pronunciation adj. 

    Stampsof or relating to the post office or mail service:postal delivery; postal employees.

Collins Concise English Dictionary © HarperCollins Publishers::

postal /ˈpəʊstəl/ adj
  1. of or relating to a Post Office or to the mail-delivery service

ˈpostally adv

'postal' also found in these entries:

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