- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
pig lead
-
concurrent operation
-
aby
-
acacia catechu
-
dreamiest
-
equipment
-
had
-
eponymous
-
category
-
typewriter keyboard
- 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)