Crossword Genius

Singer with strapping frame, according to Spooner? (7,6)

Ross

I believe the answer is:

shirley bassey

'singer' is the definition.

I don't understand how the remainder of the clue works.

I've seen this clue in The Independent.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.