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Related to fossa: tuberosity, temporal fossa

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 ?
This is a surgery performed to remove a tumor from the pituitary fossa usually originating from the pituitary gland," Dr.
At operation, both patients were discovered to have a synovial cyst within the posterior aspect of the elbow, specifically within the olecranon fossa causing their painful symptoms of locking.
The embryologic migration pattern of the second branchial arch tract originates in the tonsillar fossa, travels over third arch structures, and terminates in the middle to lower two-thirds of the lateral portion of the neck.
The little-studied region is thought to be home to a wide variety of plants and animals including the fossa - a giant mongoose - and lemurs.
An MR arthrogram was obtained and revealed a 4-mm central area of cartilage loss on the glenoid fossa without underlying bony changes on the axial T1 images with and without fat saturation (Figure 1).
Glenn Fossa said Friday there are pending charges against Eugenio Garcia, 30, 216 Kimball St.
When an intracranial abnormality is detected on US specifically within the posterior fossa, a fetal MRI is the next investigation of choice, to accurately characterise and diagnose the abnormality.
This demonstrated that the large pedunculated necrotic mass was in fact, appearing to arise from the right piriform fossa and not the tonsil confirmed by rigid pharyngolaryngo-upper oesophagoscopy.
Posterior fossa syndrome can occur after neurosurgical resections of childhood posterior fossa tumors, such as medultoblastomas.
fOSSa 2010 will welcome various European decision makers and free software organizations, such as Apache, Arduino, Debian, Eclipse, Engineering Group, Gnome, Red Hat, Ubuntu, FossBazaar, Fraunhofer Fokus, Irill, Plume and QualiPSo.
Oncologic surgery of the pterygopalatine fossa and adjacent structures.