D defs.my
Entry 3 senses Webster, 1913

Oculus

· Oc·u·lus · IPA /ˈɑk.jə.ləs/
01 n. An eye.
pl. Oculi ((#))
  1. 1.
    An eye.
  2. 2.
    A round window, usually a small one.(Arch.)
  3. 3.
    A leaf bud.(Bot.)