/'bɒlɑ:d; `bɑlɚd/
n
1 short thick post on a quay or ship's deck, to which a ship's mooring ropes are tied （码头或船甲板上的）系缆柱.
2 short post on a kerb or traffic island （路边镶边石或交通安全岛上的）短柱.

n[C]
[Date: 1800-1900; Origin: Probably from bole]
BrE a short thick post in the street that is used to stop traffic entering an area or to show a junction more clearly
a thick stone or metal post used for tying ships to when they are in port