Crossword Genius

Ears? Ears are going to become noteworthy features of this grid (7)

Ross

I believe the answer is:

corners

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'ears?' is the definition.
Although both the answer and definition are plural nouns, I don't understand how they can define each other.

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for corners that I've seen before include "Where lines meet or intersect" , "Points where two lines meet" , "Where lines meet to form angles" , "Places where sides meet" , "Nooks" .)

I've seen this clue in The Independent.
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