Main Entry: spe·cial·ist

Pronunciation: \ˈspe-sh(ə-)list\

Function: noun

Date: 1855

1 : one who specializes in a particular occupation, practice, or branch of learning
2 : an enlisted rank in the United States Army corresponding to the grade of corporal; also : any of several former enlisted ranks corresponding to the grades of sergeant through sergeant major
3 : an organism (as a bird) specialized especially in food or habitat

— specialist or spe·cial·is·tic \ˌspe-shə-ˈlis-tik\ adjective