'causson' definitions:
- Cavesson \Cav"es*son\, Cavezon \Cav"e*zon\, n. [F. cave[,c]on,
augm. fr. LL. capitium a head covering hood, fr. L. caput
head. Cf. Caberzon.] (Man.)
A kind of noseband used in breaking and training horses.
[Written also caveson, causson.] --White.
[1913 Webster]