(idiomatic, nautical) The ability, when walking aboard a ship, to anticipate the motion of the deck so as to walk steadily without losing balance.

plural of sea serpent

plural of sea lamprey

A parasitic lamprey found in Europe and North America, Petromyzon marinus.

plural of sea-lane

Alternative spelling of sea lane

plural of sea lane

testing of watercraft

plural of sea trial

A marine mammal native to the northern Pacific Ocean, Enhydra lutris.