Meaning of ABOARD in English

ABOARD

I. ə-ˈbȯrd adverb or adjective

Date: 14th century

1. : alongside

2.

a. : on, onto, or within a vehicle (as a car or ship)

b. : in or into a group, association, or organization

her second promotion since coming aboard

3. baseball : on base

II. preposition

Date: 15th century

: on , onto , within

go aboard ship

aboard a plane

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.