- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
elicit
-
go over
-
booth
-
physically
-
decided
-
knock off
-
degenerate
-
pulp
-
academy of motion picture arts and sciences
-
genus zanthoxylum
- 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
