Medical Definition of holotype
1: the single specimen designated by an author as the type of a species or lesser taxon at the time of establishing the group
2: the type of a species or lesser taxon designated at a date later than that of establishing a group or by another person than the author of the taxon
Seen and Heard
What made you want to look up holotype? Please tell us where you read or heard it (including the quote, if possible).