bollard
noun /ˈbɒlɑːd/
/ˈbɑːlərd/
- enlarge image(British English) a short thick post that is used to stop vehicles from going on to a road or part of a road
（阻止车辆开到某段路上的）路桩 - a short thick post on a ship, or on land close to water, to which a ship’s rope may be tied
（甲板或岸边的）带缆桩，系船桩
词源Middle English (in sense (2)): perhaps from Old Norse bolr; perhaps related to baulk + -ard.