Lettuce variety (7)
'lettuce variety' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for iceberg that I've seen before include "danger at sea" , "One with a cold manner" , "Polar shipping hazard" , "Four-fifths are under water" , "Unlikely feature of Cos" .)
'lettuce variety' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for romaine that I've seen before include "Variety of lettuce" , "lettuce in the US" , "lettuce in America" , "Type of lettuce - I arm one (anag)" , "Cos lettuce" .)