Yes, and you should. Meta descriptions are still used by most search engines including Google. There is some argument if meta descriptions are still a ranking factor for Google, but, it has more uses than just helping your ranking. ... The description they see below is your meta description tag.
Meta tags are HTML codes that are inserted into the header on a web page, after the title tag. In the context of search engine optimization, when people refer to Meta tags, they are usually referring to the Meta description tag and the Meta keywords tag.