Thanks Andy, I had thought of the pectoral muscles but, blindy, didn't see it. Thanks also for the answer to a clue yesterday, which I didn't have time to reply to. Have a good Christmas. Bill.
Yes I know. 25d)Group of 7 pieces on board. The group (of letters) in 7d being men. This fits the definition of pieces on the board. I hope this explains it a little better.