Meaning of ABOARD in English

ABOARD

/ əˈbɔːd; NAmE əˈbɔːrd/ adverb , preposition

on or onto a ship, plane, bus or train

SYN on board :

We went aboard.

He was already aboard the plane.

The plane crashed killing all 157 passengers aboard.

All aboard! (= the bus, boat, etc. is leaving soon)

Welcome aboard! (= used to welcome passengers or a person joining a new organization, etc.)

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WORD ORIGIN

late Middle English : from a- to, towards (expressing motion) + board , reinforced by Old French à bord .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.