Origin 1
Adjective
closer- 2013-07-20, Welcome to the plastisphere, researchers noticed many of their pieces of marine debris sported surface pits around two microns across. Such pits are about the size of a bacterial cell. Closer examination showed that some of these pits did, indeed, contain bacteria, ….
Origin 2
Full definition of closer
Noun
- Someone or something that closes.In our organization, the VP of Sales usually acts as the closer.
- Someone or something that concludes.The DJ chose a fantastic track as his closer at the end of the night.
- The last stone in a horizontal course, if smaller than the others; a piece of brick finishing a course.
- (baseball) A relief pitcher that specializes in getting the last three outs of the game. SeeThey brought their closer in for the ninth.