D defs.my
Entry 2 senses Webster, 1913

Optician

/äp-tĭsh'-ən/ · Op·ti·cian · IPA /ɑptˈɪʃən/
01 n. One skilled in optics.
  1. 1.
    One skilled in optics.[R.]
  2. 2.
    One who deals in optical glasses and instruments.