Possible Clues:

• Very largely a stop at sea
• Salt stopper
• Not a minute sort of a stop at sea
• Stop sailing in a tub, son
• Stop putting sulphur in a container
• Stop to a large extent at sea
• Stop at sea and make very much of it
• The way to stop at sea to a very large extent
• Lubber's alert
• Starbuck's order?