adj · noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/baɪˈkəʊstəl/
General-American:/baɪˈkoʊstəl/
CMU ARPABET:B IH0 K OW1 S T AH0 L
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Of, pertaining to, or concentrated on two coasts, often specifically the Atlantic and Pacific coasts of North America.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A person who lives near two coasts.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Etymology tree Proto-Indo-European *dwóh1 Proto-Indo-European *dwi- Proto-Italic *dwi- Latin bi-bor. English bi- English coastal English bicoastal From bi- + coastal.