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Ack-Ack is a tautonym (it is composed of two identical parts). View more tautonyms!

Definition of the noun ack-ack

What does ack-ack mean as a name of something?


  1. artillery designed to shoot upward at airplanes
    • lexical domain: Artifacts - nouns denoting man-made objects
    • synonyms of ack-ack: ack-ack gun / antiaircraft / antiaircraft gun / flack / flak / pom-pom
    • more generic word: gun = a weapon that discharges a missile at high velocity
    • more specific term: Bofors gun = an automatic double-barreled antiaircraft gun
    • part: predictor = a computer for controlling antiaircraft fire that computes the position of an aircraft at the instant of a shell's arrival

Alternative definition of the noun ack-ack


  1. Antiaircraft artillery.
  2. [uncountable] Antiaircraft fire

Definition of the adjective ack-ack

What does ack-ack mean as an attribute of a noun?


  1. Of or relating to antiaircraft warfare.


Who is Ack-Ack?

Ack-Ack a.k.a. Tom Heinsohn: Thomas William "Tommy" Heinsohn is a retired American professional basketball player. He has been associated with the Boston Celtics of the National Basketball Association for six decades as a player, coach and broadcaster. He played for the Celtics from 1956 to 1965, and also coached the team from 1969 to 1978. He has been granted Hall of Fame Status for his success as a player. He helped form the NBA players union. He is the only person to have the distinction of being involved in an official team capacity in each of the Celtics' 17 championships, as well as each of their 21 NBA Finals appearances.


Ack-ack a.k.a. Ack Ack was an American Thoroughbred Hall of Fame racehorse. He raced with success at age two to four, scoring wins in the important 1969 Withers Stakes and Arlington Classic. In 1971 at age five, Ack Ack blossomed into the year's most dominant horse. Conditioned by Charlie Whittingham, he won seven straight graded stakes races on both dirt and grass courses at a variety of distances. His performances earned him United States Horse of the Year honors.

  • born in (49 years ago)
  • award: - American Horse of the Year

Printed dictionaries and other books with definitions for Ack-Ack

Click on a title to look inside that book (if available):

Google previewMerriam-Webster's Rhyming Dictionary (2002)

by Merriam-Webster, Inc

yak aback, ack-ack, alack, amtrac, Anzac, Arak, attack, backpack, backtrack, Balzac, bareback, blackjack, blue-black, bootblack, bootjack, brushback, bushwhack, buyback, callback, calpac, champac, cheapjack, Coalsack, coatrack, cognac, ...

Google previewShorter Slang Dictionary (2003)

by Paul Beale, Eric Partridge

ack-ack anti-aircraft guns and gunfire. Used during World War II. From the phonetic alphabet where ack=A. ack emma a.m.; in the morning, as in nine-thirty ack emma. Since around 1915. From the army signallers' alphabet, ...

Google previewThe Concise New Partridge Dictionary of Slang and Unconventional English (2014)

by Tom Dalzell, Terry Victor

UK, 1984 ack-ack noun anti-aircraft artillery. An initialism, using the phonetic alphabet that was current until 1941. Usage survived the new...

US, 1926 ack-ack verb to shoot someone or something US, 1947 ackamarackus;

Google previewAbbreviations Dictionary, Tenth Edition (2001)

by Dean A. Stahl, Karen Landen

ack-ack antiaircraft Ack-Ack Aluminum Company of America (stock exchange nickname) ackd acknowledged ackt acknowledgment acl ...

Google previewPansegrouw's Crossword Dictionary (1994)

by Louisa Pansegrouw

nitrohydrochloric ack-ack fla(c)k ack-ack gun Bofors acknowledge admit, allow, appreciate, attribute, avow, concede, confess, correspond, declare, grant, own, receive, recognise, reward, thank acknowledge an offence apologise, ...

Google previewThe A-Z Encyclopedia of Alcohol and Drug Abuse (2002)

by Thomas Nordegren

Ack-ack Colloquial term for smoking a heroin-dusted cigarette. Ackermagen Calamus Ackern German colloquial term for prostitution. Ackerwurtz Calamus ...

Google previewIllustrated Dictionary Of Aviation (2006)

by Kumar

F Aircraft-Based Infra-Red Detector Airborne Imagery Transmission ACEVAL Airborne Laser ACF Anti-Ballistic Missile ACI Asynchronous Balanced Mode ACK Aerodrome Beacon Ack-ack Air Base Operability ACL Advanced Base Support ...

Google previewReverse English Dictionary (1999)

Based on Phonological and Morphological Principles by Gustav Muthmann

waek v,n whack ,aek-'aek n ack-ack n almanack baek v,n,adv back naek n knack. -waek/-uack. abaek adv aback (also nick-nack) pikabaek adv pickaback ' nik-naek n knick-knack kwaek v,n quack 'hAkabaek n huckaback snaek n snack ...

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Photos about Ack-Ack

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NVA Ack-ack

A light anti-aircraft cannon in the Vietnam section of the US Army Museum of Hawaii.

Photo credit: WireLizard

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Small photo of Defensive Ack-Ack fire in an Allied air raid on Algiers. During the WW2 Operation Torch invasion, French forces in Algeria were still fighting for the Axis. Nov. 8-11, 1942. More...

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Ack-ack Meaning

Video shows what ack-ack means. Antiaircraft artillery.. Antiaircraft fire. Ack-ack Meaning. How to pronounce, definition audio dictionary. How to say ack-ack.

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