boarding
n. uncountable B1 Intermediate US //ˈbɔɹdɪŋ// UK //bˈɔːdɪŋ// board·ing
n. the process of getting onto a plane, ship, or train. It also refers to a system where students live at their school during the term.
n. the act of entering a ship, aircraft, or other vehicle; also refers to the provision of meals and lodging, particularly in an educational context.
Boarding for the flight to London starts in ten minutes.
The airline agent announced that boarding would be delayed due to a late arrival from the previous gate.
The school offers both day and boarding options, allowing students from distant provinces to reside on campus throughout the academic semester.
By surface analysis, board + -ing.
Usage
Often used as a modifier in compound nouns like 'boarding pass' or 'boarding school'.