?? Null Coalescing Operator --> What does coalescing mean?

Question

I\'m tempted to lie and say that English is my second language, but the truth is that I just have no idea what \'Coalescing\' means. I know what ?? \'does\' in

Answer 1

http://www.merriam-webster.com/dictionary/coalesce

I think the best definition is the "unite for a common end". So basically pulling it all together to get the best. In programming terms it's more getting the first best item.