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fos·sa 1

n. pl. fos·sae (fŏs′ē′) Anatomy
A small cavity or depression, as in a bone.

[Latin, ditch, from feminine past participle of fodere, to dig.]

fos′sate′ (fŏs′āt′) adj.

fos·sa 2

A catlike carnivorous mammal (Cryptoprocta ferox) of Madagascar, having reddish-brown fur, a long tail, long whiskers, and retractile claws.

[Malagasy fosa.]


n, pl -sae (-siː)
(Anatomy) an anatomical depression, trench, or hollow area
[C19: from Latin: ditch, from fossus dug up, from fodere to dig up]


(Animals) a large primitive catlike viverrine mammal, Cryptoprocta ferox, inhabiting the forests of Madagascar: order Carnivora (carnivores). It has thick reddish-brown fur and preys on lemurs, poultry, etc
[from Malagasy]


(ˈfɒs ə)

n., pl. fos•sae (ˈfɒs i)
a pit, cavity, or depression, as in a bone.
[1820–30; < Latin: ditch, fosse, short for fossa (terra) dug or dug out (earth), n. use of feminine of fossus, past participle of fodere to dig]


(ˈfɒs ə)

n., pl. -sas.
a large viverrid carnivore, Cryptoprocta ferox, of Madagascar. Also called fos′sa cat`.
[1830–40; < Malagasy]


A shallow depression.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.fossa - a concavity in a surface (especially an anatomical depression)fossa - a concavity in a surface (especially an anatomical depression)
glenoid cavity, glenoid fossa - the concavity in the head of the scapula that receives the head of the humerus to form the shoulder joint
glenoid fossa, mandibular fossa - a deep concavity in the temporal bone at the root of the zygomatic arch that receives the condyle of the mandible
bodily cavity, cavum, cavity - (anatomy) a natural hollow or sinus within the body
epigastric fossa, pit of the stomach - a slight depression in the midline just below the sternum (where a blow can affect the solar plexus)
concave shape, concavity, incurvation, incurvature - a shape that curves or bends inward
2.Fossa - monotypic genus of Madagascar civets closely related to palm civets
mammal genus - a genus of mammals
fanaloka, Fossa fossa - civet of Madagascar
3.fossa - largest carnivore of Madagascarfossa - largest carnivore of Madagascar; intermediate in some respects between cats and civets
viverrine, viverrine mammal - small cat-like predatory mammals of warmer parts of the Old World


n. L. fosa, cavidad, hueco, depresión;
___ glenoid___ glenoidea;
___ interpeduncular___ interpeduncular;
___ jugular___ yugular;
___ mandibular___ mandibular;
___ nasal___ nasal;
___ navicular___ navicular.


n fosa
References in periodicals archive ?
Modified Alvarado Score of all patients was calculated on a proforma which included migratory right iliac fossa pain, anorexia, nausea/vomiting, tenderness in right iliac fossa, rebound tenderness, elevated temperature and leucocytosis (>10 x 109/L).
There was guarding and tenderness in the right iliac fossa with positive rebound tenderness and Rovsing sign.
Abdominal computed tomography (CT) revealed pericecal inflammation and a residual appendiceal stump (Figure 1) in his right iliac fossa.
1] Diagnosis of acute appendicitis may be straight forward in established cases and is often made by signs and symptoms of migratory abdominal pain, fever, vomiting, tenderness, rebound tenderness with or without rigidity in the right iliac fossa and laboratory finding of leucocytosis.
2 However, it does not always manifest in the classical way of peri-umbilical pain radiating to the right iliac fossa in association with nausea and vomiting.
There was hematoma in retroperitoneal region originating from subhepatic area, reaching to right iliac fossa and Douglas pouch.
It revealed subcentimeter nodes in the bilateral axillae which were insignificant, and multiple small mildly enlarged lymph nodes (5-25 mm) in the right iliac fossa along mesenteric and right iliac vessels without evidence of obvious internal necrosis or calcification suggestive of infective or inflammatory pathology (e.
Pain affecting the right iliac fossa is an extremely rare symptom of sigmoid diverticulosis, which is usually associated with pain affecting the left iliac fossa (1, 2).
She presented with gradual onset of peri-umbilical pain that localised to the right iliac fossa.
A 30 years old lady with five years of primary infertility had pain left iliac fossa for the last three months.
A 72-year-old female presented with acute-onset right iliac fossa pain, without any other symptoms.
The surgical protocol consisted in the transvaginal aspiration of the cyst (intracystic fluid), followed by laparoscopic aboard using 3 trocars which were placed in the left and right iliac fossa, as well as, the umbilical area.