Final answer:
The deck of Old Ironsides was once a place of victory and defeat, symbolized by the blood of heroes and enemies, but now it will no longer experience such events, representing an end to its storied past.
Step-by-step explanation:
The best summary of the lines from 'Old Ironsides' is that the deck was once a site of triumph and surrender, but will no longer witness such events. The lines suggest a past filled with heroism and defeat, marked by the blood of both heroes and foes. However, the future for Old Ironsides is devoid of these battles, indicating a sense of abandonment and the end of a significant era.