The Collaborative International Dictionary of English v.0.48:

Circumscissile \Cir`cum*scis"sile\, a. [Pref. circum- +
   scissle.] (Bot.)
   Dehiscing or opening by a transverse fissure extending around
   (a capsule or pod). See Illust. of Pyxidium.
   [1913 Webster]