Crossword Genius

Steel container (6)

Ross

I believe the answer is:

bottle

I believe this is a double definition.

'steel' is the first definition.
(both can mean determination or courage)

'container' is the second definition.
(bottle is a kind of container)

(Other definitions for bottle that I've seen before include "Here's where it's to be found" , "Type of marine mammal" , "Grit" , "beer found in this?" , "Pitcher perhaps" .)

I've seen this clue in The Telegraph.
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