1) Like a liner 2) Maritime 3) Oceangoing 4) Salt description 5) Seafaring 6) Used on the high seas 1) Marine 2) Naval 3) Oceangoing 4) Sea 5) Seafaring 
• (a.) Going upon the sea; especially, sailing upon the deep sea; -- used in distinction from coasting or river, as applied to vessels.
A vessel which is capable of crossing oceans.
Sea'go`ing adjective Going upon the sea; especially, sailing upon the deep sea; -- used in distinction from coasting or river , as applied to vessels.