Crossword Genius

Global communiqu? doing the rounds employed by those in a sticky situation (4)

Ross

I believe the answer is:

glue

I'm a little stuck... Click here to teach me more about this clue!

'situation' is the definition.
Although both the answer and definition are singular nouns, I can't understand how one could define the other.

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for glue that I've seen before include "Gum" , "Stick together" , "Sticky substance" , "Bond" , "size" .)

I've seen this clue in the Irish Times and the Irish Times (Crosaire).
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