The Collaborative International Dictionary of English v.0.48:

Capitulary \Ca*pit"u*la*ry\, a.
   Relating to the chapter of a cathedral; capitular.
   "Capitulary acts." --Warton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Capitulary \Ca*pit"u*la*ry\, n.; pl. Capitularies. [See
   Capitular.]
   1. A capitular.
      [1913 Webster]

   2. The body of laws or statutes of a chapter, or of an
      ecclesiastical council.
      [1913 Webster]

   3. A collection of laws or statutes, civil and
      ecclesiastical, esp. of the Frankish kings, in chapters or
      sections.
      [1913 Webster]

            Several of Charlemagne's capitularies. --Hallam.
      [1913 Webster]

WordNet (r) 3.0 (2006):

capitulary
    adj 1: of or pertaining to an ecclesiastical chapter; "capitular
           estates" [syn: capitular, capitulary]