Pronunciation: ' hw ə r-li ŋ -, ' w ə r-
Function: noun
Date: 1946
: an infectious often fatal disease especially of young salmonid fishes (as trout and salmon) that is caused by a protozoan ( Myxobolus cerebralis syn. Myxosoma cerebralis ) and is marked by skeletal deformities and a tendency to swim in circles