- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
61
-
spotted
-
aye
-
dispense
-
pigeonhole
-
pros and cons
-
upend
-
acneiform
-
mansion
-
lightly
- Hide translation
acoustic buoy
acoustic buoy /əˈkuːstɪk buːi/
noun
-
A buoy that can be heard (at night)
(
acoustic buoy
)
a buoy that can be heard (at night)