Crossword Genius

Symbol of sturdiness (3)

Ross

I believe the answer is:

oak

'symbol of sturdiness' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for oak that I've seen before include "Grown acorn" , "The King of the Forest" , "Tree of the genus Quercus" , "From little acorns does it grow" , "Building timber" .)

I've seen this clue in The New York Times.
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