verb (used with object)
to put or allow to go aboard in advance of the usual time or before others: Passengers with disabilities will be preboarded.
verb (used without object)
to go aboard in advance.
Origin of preboard
Origin of boarding
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a structure of boards, such as a floor or fence
timber boards collectively
- the act of embarking on an aircraft, train, ship, etc
- (as modifier)a boarding pass
a process used in tanning to accentuate the natural grain of hides, in which the surface of a softened leather is lightly creased by folding grain to grain and the fold is worked to and fro across the leather
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
1530s, "supplying of meals, food and lodging," from board (n.1) in its extended sense of "food" (via notion of "table"). Boarding-school is from 1670s; boarding house attested from 1728.
Online Etymology Dictionary, © 2010 Douglas Harper