preboard

pre·board

P0507490 (prē′bôrd′)v. pre·board·ed, pre·board·ing, pre·boards v.tr.1. To board (an aircraft, for example) ahead of the regular time or before other passengers.2. To allow (one or more passengers) to board ahead of the regular time or before other passengers.v.intr. To board an aircraft or other conveyance ahead of the regular time or before other passengers.

preboard

(priːˈbɔːd) vb1. to (allow to) board a plane before other passengers2. (Clothing & Fashion) (tr) to set the shape of (a garment, esp stockings) using heat, so that it will not lose its shape during washing

pre•board

(priˈbɔrd, -ˈboʊrd)

v.t., v.i. to board before the usual time or before others.