2. On, onto, or within a vehicle (as a car or ship)
3. In or into a group, association, or organization
4. Baseball; on base
1. Borne on the water; floating.
2. Covered with water; SYN. awash, flooded, inundated, overflowing.
3. Aimlessly drifting
Carried within or occurring aboard a vehicle (as a satellite or an automobile)