preboard

present singular third person preboards · participle present preboarding · participle past preboarded · past preboarded · alternative pre-board

1. transitiveTo (allow to) step or climb onto or otherwise enter a ship, aircraft, train or other conveyance before other people are allowed to board.

   People requiring assistance or extra time will be preboarded.

   1 more example

   Airlines must permit some parents — or passengers with food allergies themselves — to preboard in order to wipe down seats, federal regulators said. […] All customers with peanut and tree nut allergies are now allowed to preboard and wipe down surfaces, according to an airline spokeswoman.

   2019 June 19, Roni Caryn Rabin, “Boarding Now: Parents of Children With Food Allergies”, in The New York Times

2. transitivebusinessTo set the shape of (a garment, especially a stocking) by heating on a form or board before dyeing.