What is 3. The post or office of a watchman; also, the place where a watchman is posted, or where a guard is kept. He upbraids Iago, that he made him Brave me upon the watch. Shak called?

watch — 3. The post or office of a watchman; also, the place where a watchman is posted, or where a guard is kept. He upbraids Iago, that he made him Brave me upon the watch. Shak. (Webster's 1913.)