Preocular

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Preocular \Pre*oc"u*lar\, a. (Zool.)
     Placed just in front of the eyes, as the antenn[ae] of
     certain insects. -- n. One of the scales just in front of the
     eye of a reptile or fish.
     [1913 Webster]