| Main Entry: | |
| Part of Speech: | noun |
| Definition: | arm of the sea |
| Synonyms: | basin, bay, bayou, bight, canal, channel, cove, creek, delta, entrance, estuary, firth, fjord, gulf, harbor, ingress, loch, narrows, passage, slew, slough, sound, strait |
| Main Entry: | bay |
| Part of Speech: | noun |
| Definition: | shoreline indentation |
| Synonyms: | anchorage, arm, basin, bayou, bight, cove, estuary, fiord, firth, gulf, harbor, inlet, lagoon, loch, mouth, narrows, sound, strait |
| Main Entry: | entrance |
| Part of Speech: | noun |
| Definition: | a way into a place |
| Synonyms: | access, approach, archway, avenue, corridor, door, doorway, entry, entryway, gate, gateway, hall, hallway, ingress, inlet, lobby, opening, passage, passageway, path, porch, port, portal, portico, staircase, threshold, vestibule, way |
| Antonyms: | exit |
| Main Entry: | entry |
| Part of Speech: | noun |
| Definition: | way in to a place |
| Synonyms: | access, adit, approach, avenue, door, doorway, entrance, foyer, gate, hall, ingress, ingression, inlet, lobby, opening, passage, passageway, portal, threshold, vestibule |
| Antonyms: | egress, exit |
| Main Entry: | estuary |
| Part of Speech: | noun |
| Definition: | mouth |
| Synonyms: | arm, creek, firth, fjord, inlet, tidewater, waterway |
| Main Entry: | harbor |
| Part of Speech: | noun |
| Definition: | place for storing boats in the water |
| Synonyms: | anchorage, arm, bay, bight, breakwater, chuck, cove, dock, embankment, firth, gulf, haven, inlet, jetty, landing, mooring, pier, port, road, roadstead, wharf |
| Notes: | harbor first meant 'shelter' and 'lodging' and that is how the word first entered English place-names, as a 'place of shelter; refuge' for a crowd of people; a port is a haven for vessels and it is equipped for loading and unloading ships, while a harbor is a haven for vessels but does not necessarily have onshore facilities |
| Main Entry: | introduce |
| Part of Speech: | verb |
| Definition: | add, insert |
| Synonyms: | carry, enter, fill in, freight, import, include, infix, inject, inlay, inlet, inset, insinuate, instill, intercalate, interject, interpolate, interpose, put in, send, ship, throw in, transport, work in |
| Antonyms: | erase, extract, subtract, take away |
| Main Entry: | mouth |
| Part of Speech: | noun |
| Definition: | opening |
| Synonyms: | aperture, beak, box, cavity, chops, clam, crevice, delta, door, embouchement, entrance, estuary, firth, fly trap, funnel, gate, gills, gob, harbor, inlet, jaws, kisser, lips, mush, orifice, portal, rim, trap*, yap |
| Main Entry: | strait |
| Part of Speech: | noun |
| Definition: | water channel |
| Synonyms: | inlet, narrows, sound |