ˈnōmənˌkän(t)sə(r)ˈvandəm noun
( plural nom·i·na con·ser·van·da ˈnämənəˌ...də)
Etymology: Latin, name to be preserved
: a name that should not be changed ; specifically : a biological generic name or other taxon to be preserved by special sanction in exception to the usual rules (as of priority)