The phrase "new vessels" refers to newly built or freshly created ships, boats, or other vehicles designed for sailing or traveling on water. Full definition
Its core classics were updates, not radical new vessels for mystery. (tevisthompson.com)
The only way trees can fix this problem is by growing new vessels — if the lack of water does not kill them first. (scientificamerican.com)
Cancer cells and tumors at first rely on nearby blood vessels to get what they need to survive, but, as tumors grow, they need to form new vessels. (sciencedaily.com)