hyan local.
(ˈhaɪən)
Also hyant, hyen, hyon.
[Origin unknown.]
An acute, usually fatal, infectious disease of cattle or, occasionally, sheep, caused by the bacterium Clostridium chauvœi; = black quarter (s.v. black a. 19), blackleg 1, speed n. 11 a.
| 1789 Trans. Soc. Arts VII. 73, I..should annually have attempted to rear one hundred [calves], were it not for the disorder called here [sc. Scarisbrook] the Hyon. 1795 J. Aikin Descr. Country round Manchester 325 Great numbers of calves having been taken off by a disease here called the hyon. 1801 Sporting Mag. XVII. 153 Drinks to be given to young calves for striking of the Hyen. 1881 [see speed n. 11 a]. |