Crossword Genius

Head signal (3)

Ross

I believe the answer is:

nod

'head signal' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for nod that I've seen before include "Indicate assent; make slip" , "Sign of agreement" , "even Homer sometimes does" , "Show recognition" , "Incline the head" .)

I've seen this clue in the Penny Press.
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