Wordnet 3.0
NOUN (1)
1. 
 a manual describing the customs of a particular group (especially the ceremonial practices of a monastic order); 
[syn: consuetudinary, consuetudinal]
The Collaborative International Dictionary of English v.0.48:
Consuetudinal \Con`sue*tu"di*nal\, a. [LL. consuetudinalis.]
   According to custom; customary; usual. [R.]
   [1913 Webster]
WordNet (r) 3.0 (2006):
consuetudinal
    n 1: a manual describing the customs of a particular group
         (especially the ceremonial practices of a monastic order)
         [syn: consuetudinary, consuetudinal]