'Seaport' definitions:

Definition of 'seaport'

From: WordNet
noun
A sheltered port where ships can take on or discharge cargo [syn: seaport, haven, harbor, harbour]

Definition of 'Seaport'

From: GCIDE
  • Seaport \Sea"port`\ (s[=e]"p[=o]rt`), n. A port on the seashore, or one accessible for seagoing vessels. Also used adjectively; as, a seaport town. [1913 Webster]