n.

1. 病房，病室[C]
   He was put in an isolation ward.

   他住进了隔离病房。

2. 【主英】牢房[C]
3. 行政区，选区，区[C]
   Which ward does he represent on the council?

   在理事会中他代表哪个区？

4. 【律】受监护的未成年人（或疯人等）[C]
   The courts made him a ward of his uncle.

   法院指定他舅父为他的监护人。

5. 保护；看护；保卫[U]
   The soldiers kept watch and ward over the castle.

   士兵们守卫这个城堡。

6. 监禁，拘留；监视，监督[U]
7. 受保护的人（或物）[C]

vt.

1. 【古】保护，守卫
2. 避开；挡开；避免[（+off）]
   He flung up an arm to ward off the blow.

   他迅速抬起手臂挡开这一击。

n.

1. a room in a hospital, typically one allocated to a particular type of patient.
2. an administrative division of a city or borough, typically represented by a councillor or councillors.
3. a child or young person under the care and control of a guardian appointed by their parents or a court.
   ▸archaic guardianship.
4. any of the internal ridges or bars in a lock which prevent the turning of any key without corresponding grooves.
   ▸the corresponding grooves in the bit of a key.
5. historical an area of ground enclosed by the encircling walls of a fortress or castle.
6. archaic the action of keeping a lookout for danger.

v.

1. (ward someone/thing off) prevent someone or something from harming or affecting one.
2. archaic guard; protect.