Definition of “billboard” - English Dictionary

british dictionary

“billboard” in American English

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billboardnoun [ C ]

us /ˈbɪlˌbɔrd, -ˌboʊrd/

a very large board on which advertisements are shown, esp. at the side of a road

(Definition of “billboard” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“billboard” in Business English

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billboardnoun [ C ]

uk /ˈbɪlbɔːd/ us also advertising board

MARKETING a very large sign in a public place on which advertisements are shown:

billboard advertising
See also

(Definition of “billboard” from the Cambridge Business English Dictionary © Cambridge University Press)