on a ship, train, plane or other vehicle

[ Syn: on board , on board , on board , on board , on board , on board , on board , on board ]

on first or second or third base; Their second homer with Bob Allison aboard

[ Syn: on base , on base , on base , on base , on base , on base , on base , on base ]

side by side; anchored close aboard another ship

[ Syn: alongside , alongside , alongside , alongside , alongside , alongside , alongside , alongside ]

part of a group; Bill's been aboard for three years now'