adverb, time word, punctuation, verb, modal particle, noun, directional · used in expressions of time for o'clock or durations of minutes and hours

我们约好在三点钟见面。

noun · a device used for measuring and showing the time

墙上的大钟正好指向十二点。

noun · a large hollow metal percussion instrument that sounds when struck

这口钟已经有几百年的历史了。