Definitions of fossa

  1. monotypic genus of Madagascar civets closely related to palm civets Scrapingweb Dictionary DB
  2. A pit, groove, cavity, or depression, of greater or less depth; as, the temporal fossa on the side of the skull; the nasal fossae containing the nostrils in most birds. Webster Dictionary DB
  3. A ditch or trench-like depression. A dictionary of scientific terms. By Henderson, I. F.; Henderson, W. D. Published 1920.

Usage examples for fossa

  1. The inner fossa is opposite the external abdominal ring, and is known as the triangle of Hesselbach. – Surgical Anatomy by Joseph Maclise
  2. Fossa a depression in a bone. – A Manual of the Antiquity of Man by J. P. MacLean