'Sea' in the Bible

It would be well for him if, with a millstone round his neck, he were lying at the bottom of the sea, rather than that he should cause even one of these little ones to fall.

"If your faith," replied the Lord, "is like a mustard seed, you might command this black-mulberry-tree, 'Tear up your roots and plant yourself in the sea,' and instantly it would obey you.

"There will be signs in sun, moon, and stars; and on earth anguish among the nations in their bewilderment at the roaring of the sea and its billows;