watchtower
watchtower — noun
1. a tall, narrow building that gives guards, soldiers, or other people a high plac
a tall, narrow building that gives guards, soldiers, or other people a high place to watch for danger, such as escaping prisoners, approaching enemies, or fires in a forest
The soldiers climbed the watchtower every morning to check for enemy movement near the border.
simple SVO with purpose clause
From the old wooden watchtower, the forest ranger spotted smoke rising above the valley.
A guard in the watchtower saw two prisoners running toward the fence at midnight.
Hyun's father worked as a fire lookout, spending long days alone in a metal watchtower.
Nobody watches for enemies from the watchtower anymore, but it still stands on a hill.
- lookout tower
a more general term that can refer to any high structure used for observation, not only for security
- guard tower
strongly suggests a prison setting with armed guards inside
- sentry tower
a narrow military term for a tower where a soldier stands watch over a camp or base
文法句型
the/a + watchtower
in/from + the/a + watchtower