大海 (たいかい, taikai) Japanese meaning: ocean | KotomoraThe ship sails across the ocean.
Usage patterns
大海に出るto go out onto the open sea
The small boat went out onto the open sea.
大海を渡るto cross the ocean
He crossed the ocean in a small yacht.
大海のように広いas vast as the ocean (used metaphorically)
His knowledge is as vast as the ocean.