Sagittocyst

1 definition found

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

  Sagittocyst \Sag"it*to*cyst\, n. [See {Sagitta}, and {Cyst}.]
     (Zool.)
     A defensive cell containing a minute rodlike structure which
     may be expelled. Such cells are found in certain Turbellaria.
     [1913 Webster]