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Pronunciation: fam'i-le


  1. A group of two or more people united by blood, adoptive, or marital ties, or the common law equivalent.
  2. In biologic classification, a taxonomic grouping at the level intermediate between the order and the tribe or genus.
  3. A group of substances closely related structurally.
  4. A group of proteins with characteristic sequence, pharmacologic, and/or signaling profiles.

[L. familia]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.