Pronunciation: (sub-fam'u-lē, -fam'lē, sub'fam"u-lē, -fam"lē), [key]
1. Biol.a category of related genera within a family.
2. Ling.(in the classification of related languages within a family) a category of a higher order than a branch. Cf. branch (def. 8), family (def. 14).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.