1.an ocean trip taken for pleasure
1.drive around aimlessly but ostentatiously and at leisure;
She cruised the neighborhood in her new convertible
2.travel at a moderate speed;
Please keep your seat belt fastened while the plane is reaching cruising altitude
3.look for a sexual partner in a public place;
The men were cruising the park
4.sail or travel about for pleasure, relaxation, or sightseeing;
We were cruising in the Caribbean