We found 30 dictionaries that define the word seaport:

General (24 matching dictionaries)

1. seaport: Longman Dictionary of Contemporary English
2. seaport: Merriam-Webster
3. seaport: Oxford Learner's Dictionaries
4. seaport: American Heritage Dictionary of the English Language
5. seaport: Collins English Dictionary
6. seaport: Vocabulary.com
7. Seaport, seaport: Wordnik
8. seaport: Cambridge Advanced Learner's Dictionary
9. seaport: Wiktionary
10. seaport: Webster's New World College Dictionary, 4th Ed.
11. seaport: The Wordsmyth English Dictionary-Thesaurus
12. seaport: Infoplease Dictionary
13. seaport: Dictionary.com
14. seaport: Cambridge Essential American English Dictionary
15. Seaport (IND Second Avenue Line), Seaport: Wikipedia, the Free Encyclopedia
16. Seaport: Online Plain Text English Dictionary
17. seaport: Rhymezone
18. Seaport: AllWords.com Multi-Lingual Dictionary
19. seaport: Webster's 1828 Dictionary
20. seaport: FreeDictionary.org
21. seaport: Mnemonic Dictionary
22. seaport: TheFreeDictionary.com

Business (1 matching dictionary)

23. seaport: Legal dictionary

Computing (1 matching dictionary)

24. seaport: Encyclopedia

Medicine (1 matching dictionary)

25. seaport: Medical dictionary

Slang (1 matching dictionary)

26. Seaport: Urban Dictionary

Tech (2 matching dictionaries)

27. DOD Dictionary of Military Terms (No longer online)
28. SeaTalk Dictionary of English Nautical Language (No longer online)

(Note: See seaports as well.)

Definitions from Wiktionary ( ) ▸ noun:  A town or harbour with facilities for seagoing ships to dock and take on or discharge cargo. Similar: harbor, haven, harbour, port, waterport, terminal, port of call, shipside, dock, wharfage, more... Opposite: inland, landlocked, interior Phrases: South Street Seaport, Mystic Seaport, Vizhinjam International Seaport, Seaport District, Reni Commercial Seaport, more... Adjectives: important, great, chief, principal, major, only, small, little, busiest, nearest, largest Colors:     teal,     aqua,     turquoise,     seafoam,     coral, more... ▸ Words similar to seaport ▸ Usage examples for seaport ▸ Idioms related to seaport ▸ Wikipedia articles (New!) ▸ Popular adjectives describing seaport ▸ Words that often appear near seaport ▸ Rhymes of seaport ▸ Invented words related to seaport