aboard
1. [ adverb ] on a ship, train, plane or other vehicle
Synonyms: onboard
2. [ pronoun ] preposition, onto the ship
3. [ adverb ] (baseball) on first or second or third base
Synonyms: on_base
Examples:

"Their second homer with Bob Allison aboard"

Related terms: baseball
4. [ adverb ] side by side
Synonyms: alongside
Examples:

"anchored close aboard another ship"

5. [ adverb ] part of a group
Examples:

"Bill's been aboard for three years now"

Similar spelling:   abroad
  abrade
  abrader
  abraded
  abfarad
  abradant
  Aberdeen
  aberdare