Crossword Genius

Dangerous, much like Highland cattle? (5)

Ross

I believe the answer is:

hairy

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

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

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for hairy that I've seen before include "Having shock" , "Armpits can be" , "alarming" , "Like many dogs" , "Perilous" .)

I've seen this clue in The Times.
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