- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
acrimonious
-
action group
-
monument
-
outset
-
active power
-
cento
-
least bittern
-
inability
-
collection
-
monarch
- Hide translation
ack-ack
ack-ack /ˈækˌæk/
noun
-
Artillery designed to shoot upward at airplanes
(
ack-ack
, ack-ack gun
, antiaircraft
, antiaircraft gun
, flack
, flak
, pom-pom
)
artillery designed to shoot upward at airplanes
