bollard
/ˈbɒlərd/Definitions
1. noun
A short vertical post, typically of stone, wood, or metal, used to protect a ship from damage when mooring or to prevent vehicles from passing along a street.
“The harbor had several large bollards to secure the ships during storms.”
2. verb
To secure or block a ship or a vehicle with a bollard.
“The mooring crew bollarded the ship to the dock, preparing it for repairs.”