'aboard' definitions:

Definition of 'aboard'

(from WordNet)
adverb
On a ship, train, plane or other vehicle [syn: aboard, on board]
adverb
On first or second or third base; "Their second homer with Bob Allison aboard" [syn: aboard, on base]
adverb
Side by side; "anchored close aboard another ship" [syn: aboard, alongside]
adverb
Part of a group; "Bill's been aboard for three years now"

Synonyms of 'aboard'

From: Moby Thesaurus

Words containing 'aboard'