Related Clues:

• Floating piece from glacier
• What Titanic hit
• One cold bird climbing arctic feature
• One's tipped as having hidden depths
• One church composer is an unemotional person
• Big screen endlessly broadcast last scene of Titanic
• I caught bird that's picked up a sort of lettuce
• One destroyed Titanic
• Lettuce shunned by sailors?
• Growler - for instance, Neapolitan composer
• Unlikely feature of Cos lettuce
• Hazard in Arctic sea
• Type of lettuce suitable for calf?
• There's more to it than meets the eye in philosophical device Bergson suggested
• Arctic shipping hazard