# on board

> English word · Preposition

## Definitions
1. On or in (a means of transportation).

## Etymology
Originally a literal reference to the wooden boards of the deck of a boat or ship.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/on-board