Proper noun
Spithead
A sea area in the Solent, southern England, between Portsmouth and the Isle of Wight.
Little Buttercup, a Portsmouth " bumboat woman" (dockside vendor) – who is the "rosiest, roundest, and reddest beauty in all Spithead " – comes on board to sell her wares to the crew. Source: Internet
This 108-gun fighting ship sank in 65 feet of water at Spithead anchorage in 1783. Source: Internet