[ˌɒn ˈbɔːd], (Adverb)

Definitions:
- on or in a ship, aircraft, train, or other vehicle
(e.g: a plane crashed with three people on board)


Phrases:
- take something on board

Origin:
early 16th century (in sense ‘close alongside another ship or the shore’): board here means ‘the side of a ship’. The current meaning dates from the late 17th century and appears to be an expansion of aboard

[ˌɒn ˈbɔːd], (Adposition)

Definitions:
- on or on to (a ship, aircraft, train, or other vehicle)
(e.g: they are among more than 200 Britons on board the ship)


Phrases:
- take something on board

Origin:
early 16th century (in sense ‘close alongside another ship or the shore’): board here means ‘the side of a ship’. The current meaning dates from the late 17th century and appears to be an expansion of aboard

[ˌɒn ˈbɔːd], (Adjective)

Definitions:
- available or situated on a ship, aircraft, or other vehicle
(e.g: on-board catering staff)

- denoting or controlled from a facility or feature incorporated into the main circuit board of a computer or computerized device
(e.g: there's 8GB of onboard memory)


Phrases:
- take something on board

Origin:
early 16th century (in sense ‘close alongside another ship or the shore’): board here means ‘the side of a ship’. The current meaning dates from the late 17th century and appears to be an expansion of aboard

[ˌɒn ˈbɔːd], (Verb)

Definitions:
- go through procedures to effectively integrate (a new employee) into an organization or familiarize (a new customer or client) with one's products or services
(e.g: this data has tremendous value in helping to onboard new hires and manage their performance)


Phrases:
- take something on board

Origin:
early 16th century (in sense ‘close alongside another ship or the shore’): board here means ‘the side of a ship’. The current meaning dates from the late 17th century and appears to be an expansion of aboard