The Collaborative International Dictionary of English v.0.48:

Incensory \In*cen"so*ry\ (?; 277), n.; pl. Incensories. [LL.
   incensorium: cf. F. encensoir. See 2d Incense, and cf.
   Censer.]
   The vessel in which incense is burned and offered; a censer;
   a thurible. [R.] --Evelyn.
   [1913 Webster]