The word "lots" refers to a large number or quantity of something. It is often used in informal contexts to express abundance or a considerable amount. For example, if someone says, "I have lots of homework," it means they have a significant amount of homework to do.
The word "lots" comes from the Old English word "hlot," which means "a portion or share." Over time, it evolved into the plural form "lots" in Middle English, encompassing the notion of multiple portions or shares.