Definition of subfamily
1 : a category in biological classification ranking below a family and above a genus
2 : a subgroup of languages within a language family
Origin of subfamily
International Scientific Vocabulary
First Known Use: 1833
Medical Definition of subfamily
: a category in biological classification ranking below a family and above a genus
Learn More about subfamily
Medical Dictionary: Definition of "subfamily"
Seen and Heard
What made you want to look up subfamily? Please tell us where you read or heard it (including the quote, if possible).