1
- a large container or compartment for storing fuel煤舱,煤箱; 燃料舱, 燃料箱：
a coal bunker.
煤舱。
2
- a reinforced underground shelter, typically for use in wartime（多指战时使用的）掩体, 地堡。
3
- a hollow filled with sand, used as an obstacle on a golf course（高尔夫球场的）障碍沙坑, 障碍物。
with obj.
1
- fill the fuel containers of (a ship); refuel为（船）补给燃料。
2
be bunkered
Golf (of a player) have one's ball lodged in a bunker【高尔夫】（运动员）把球打入障碍区：he was bunkered at the fifth hole.
他打五号洞时把球击入了障碍区。
2.1
- with obj. hit (the ball) into a bunker击球进障碍区：
he bunkered his second shot.
他第二杆将球打入了障碍区。
2.2
- (of a golf course) have bunkers（高尔夫球场）有障碍沙坑。
2.3
- （一般作be bunkered）Brit. informal bring into difficulties; hinder the progress of〈英, 非正式〉使遇到困难; 阻碍：
the act was bunkered by all the showbiz flannel.
这一举措因演艺界的虚伪吹捧而陷入困境。
3
- with obj. take refuge in a bunker or other shelter躲进掩体（或其他藏身处）：
his family had bunkered down inside their home
他们一家人躲藏在自己家里
the former Governor has spent four days bunkered down at Government House.
前总督已经在总督官邸呆了四天没有出来。
词源
mid 16th cent. （originally Scots， denoting a seat or bench）： perhaps related to BUNK1.