onboard
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on·board
(ŏn-bôrd′, ôn-)adj.
1. Carried or used aboard a vehicle or vessel: onboard radar systems.
2. Participating in or supporting an effort: I contacted my sisters to make sure they were onboard before I booked the beach house for our vacation.
adv.
1. Onto a vehicle or vessel: "His 'semi-fiancée' came onboard at Cape Town" (Dale Peterson).
2. Into a state of participation of support for an effort: "If you were running one of the organization's programs or schools, you did everything you could to get the parents onboard" (Paul Tough).
prep.
Aboard: "the long hours onboard an aircraft on the way to some diplomatic engagement abroad" (Molly Worthen).
tr.v. on·board·ed, on·board·ing, on·boards
To introduce to a system or process: a human resources administrator who onboards new hires.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
onboard
adj
on a ship, train, aircraft, or spacecraft
adv
(Automotive Engineering) into or onto a moveable craft, esp a ship
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014