D defs.my
Entry 1 sense Webster, 1913

Specialist

/spĕsh'-əl-əst/ · Spe·cial·ist · IPA /ˈspɛʃəlɪst/
01 n. One who devotes himself to some specialty; as, a medical specialist, one who devotes himself to diseases of particular parts of the body, a…
  1. 1.
    One who devotes himself to some specialty; as, a medical specialist, one who devotes himself to diseases of particular parts of the body, as the eye, the ear, the nerves, etc.