Wineglass (6)
(Other definitions for schooner that I've seen before include "Old sailing ship and tall sherry glass" , "In the main it is" , "Sailing vessel used in former times" , "Type of glass" , "that carries sherry" .)
'wineglass' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for goblet that I've seen before include "Chalice" , "Ornate glass" , "Large drinking cup" , "Drinking-glass with stem and foot" , "small mouth?" .)