Noun
(plural acks)
- (military, now historical) The letter A as used in signalling and other types of communications.
- (data communications) acknowledgment signal
Interjection
- (radio communications) acknowledged
Origin
Arbitrary formation.
Interjection
- Expressing distaste, alarm, or trepidation.
Origin
Imitative.
Noun
(plural ACKs)
- (Internet) An acknowledgement either of a packet or a message received from a network.
