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[suhb-fam-uh-lee, -fam-lee, suhb-fam-uh-lee, -fam-lee] /sʌbˈfæm ə li, -ˈfæm li, ˈsʌbˌfæm ə li, -ˌfæm li/
noun, plural subfamilies.
Biology. a category of related genera within a family.
Linguistics. (in the classification of related languages within a family) a category of a higher order than a branch.
Compare branch (def 8), family (def 14).
Origin of subfamily
First recorded in 1825-35; sub- + family Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for subfamily


noun (pl) -lies
(biology) a taxonomic group that is a subdivision of a family
any analogous subdivision, as of a family of languages
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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subfamily in Medicine

subfamily sub·fam·i·ly (sŭb'fām'ə-lē)
A taxonomic category ranking between a family and a genus.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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subfamily in Science
A subdivision of a family of organisms, containing one or more genera. The names of subfamilies in the animal kingdom typically end in -inae, as in Cerambycinae, a subfamily of the longhorn beetle family Cerambycidae.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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