What does this phrase mean: "In full cry"?

[Mahmud]

Test No. incompl/inter-43 "A Crying Shame", question 10

There was a noisy crowd of about a dozen people in ......... cry chasing after the child who'd stolen an apple from the fruit market.

(a) strong
(b) full
(c) loud
(d) big

Test No. incompl/inter-43 "A Crying Shame", answer 10

There was a noisy crowd of about a dozen people in full cry chasing after the child who'd stolen an apple from the fruit market.

Correct answer: (b) full

Your answer was: n/a
_________________________

What does it mean?
full cry
Thanks
Mahmud

[Torsten]

It's an expression that describes an eager chase. It's said of hounds that have caught the scent, and give tongue together.

TOEIC listening, talks: Lecturer is starting a new of the training program

[Strawberry girl]

[Mister Micawber]

.
Giving tongue in the case of dogs is barking or howling.
.
_________________
Native English teacher at Mister Micawber's

[Zarinamo]

Iam sorry but I didn`t understand these explanations...
I need to understand the whole sentence...
Thank you very much indeed.

[Kati Svaby]

Oxford English Dictionary:
in full cry -(idiom) = talking and shouting loudly and an enthusiastic way.

The Leeds supporters were in full cry.