Crossword Genius

Means of communication with a walrus (5)

Ross

I believe the answer is:

morse

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

This could be a double definition.

'means of communication' is the first definition.
'morse' can be an answer for 'communication' (morse is a kind of communication). I am not certain of the 'means of' bit.

'walrus' is the second definition.
(I've seen this before)

'with a' acts as a link.

Can you help me to learn more?

(Other definitions for morse that I've seen before include "Fictional inspector; code" , "Code; TV detective" , "Walrus - TV detective" , "Endeavour" , "used to transmit messages" .)

I've seen this clue in The Globe and Mail.
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