under sail
With sails unfurled; powered by the windWith sails unfurled; powered by the wind.
» The yacht is under smooth sail.
Meaning
2 senses(idiomatic)With sails unfurled; powered by the wind.
A ship under full sail.
In motion.
Examples
3 sentencesThe yacht is under smooth sail.
The boat was under sail.
The ship is under sail.