### Clue: One that almost sailed may be fat with tobacco jars (5,10)
### Answer: BOATY MCBOATFACE 
 ### Explanation: Definition: One that almost sailed
 **Anagram of**(… jars) [ MAY BE FAT **plus**(with) TOBACCO ].
Defn: What the new British research ship would have been called, if a website poll had prevailed.