What do you mean by lookout?

1, the meaning of lookout: climb high and look far: look at the sky and the sea; Monitor the enemy, especially from a height or a distance: monitor. The coastal defense soldiers looked at the vast sea.

2.Lookout is a Chinese word, which means to look up from a distance, especially to monitor the enemy's situation from a height or a distance. Such as: watching the whistle; The coastal defense soldiers looked at the vast sea. From Zhang Ming Juzheng's "Reconstruction of Gong Yuan, Shi Jing": "There are buildings facing each other at the four corners, which means looking forward."