watch As a noun, from English wacche,
Etymology
As a noun, from English wacche，See below for verb form.
Noun
watch (plural watches)
1.A portable or wearable timepiece. [quotations ▼]
More people today carry a watch on their wrists than in their pockets.
2.The act of guarding and observing someone or something. [quotations ▼]
3.A particular time period when guarding is kept. [quotations ▼]
The second watch of the night began at midnight.
4.A person or group of people who guard. [quotations ▼]
The watch stopped the travelers at the city gates.
5.The post or office of a watchman; also, the place where a watchman is posted, or where a guard is kept. [quotations ▼]
6.(nautical) A group of sailors and officers aboard a ship or shore station with a common period of duty: starboard watch, port watch.
7.(nautical) A period of time on duty, usually four hours in length; the officers and crew who tend the working of a vessel during the same watch. (FM 55–501).
8.The act of seeing, or viewing, for a period of time. [quotations ▼]
Derived terms[edit] (Terms derived from the noun “watch”)
watch As a noun, from English wacche
原文：https://www.cnblogs.com/tolearn/p/10888537.html