Cape familiar to the matador? (4)

I believe the answer is:

horn

I believe this is a double definition.

'cape' is the first definition.
(both can mean a headland)

'familiar to the matador?' is the second definition.
(I've seen this before)

(Other definitions for horn that I've seen before include "familiar to the matador?" , "Head appendage; warning instrument" , "being blown in the wind?" , "Musical instrument; Chile Cape" , "Cusp" .)

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

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