Definitions

1. noun

a vertical timber at the side of a ship’s or boat’s deck, used to support the mast or boom.

“The old sailing ship had several worn barposts that needed repair.”

2. noun

a vertical post, especially in a pub or inn, on which a bar or counter is supported.

“The barpost in the local pub had a sign advertising their happy hour deals.”

3. verb

to support (a mast or boom) with a barpost.

“The sailors had to barpost the mast before they could raise the sail.”