\M[^a]`tin"\, n. [F. m[^a]tin.] (Zo["o]l.)
A French mastiff.

\Mat"in\, n. [F. fr. L. matutinum the morning, matutinus
of the morning, Matuta the goddess of the morning. See
{Matutinal}.]
1. Morning. [Obs.] --Shak.
2. pl. [F. matines. See Etymol. above.] Morning worship or
   service; morning prayers or songs.
         The winged choristers began To chirp their matins.
                                               --Cleveland.
3. Time of morning service; the first canonical hour in the
   Roman Catholic Church.

\Mat"in\, a.
Of or pertaining to the morning, or to matins; used in the
morning; matutinal.