\Doc"tri*nal\, a. [LL. doctrinalis, fr. L. doctrina:
cf. F. doctrinal. See {Doctrine}.]
1. Pertaining to, or containing, doctrine or something taught
   and to be believed; as, a doctrinal observation.
   ``Doctrinal clauses.'' --Macaulay.
2. Pertaining to, or having to do with, teaching.
         The word of God serveth no otherwise than in the
         nature of a doctrinal instrument.     -- Hooker.

\Doc"tri*nal\, n.
A matter of doctrine; also, a system of doctrines. --T.
Goodwin. Sir T. Elyot.