Definition of origin in English:


Syllabification: or·i·gin
Pronunciation: /ˈôrəjən


  • 2 Anatomy The place or point where a muscle, nerve, or other body part arises, in particular.
  • 2.1The more fixed end or attachment of a muscle.
    More example sentences
    • It is usually placed on a level above and behind the condyloid origin of flexor carpi ulnaris.
    • It then exits the cubital tunnel by passing between the two heads of the origin of the flexor carpi ulnaris muscle.
    • The insertion of gastrocnemius is discussed following the description of the origin of the soleus muscle.
  • 2.2A place where a nerve or blood vessel begins or branches from a main nerve or blood vessel.
    More example sentences
    • In cases of two cystic arteries, their origins have been reported as follows.
    • Branches of the anterior and posterior divisions or the internal iliac may exchange origins.
    • Exceptional origins of esophageal arteries occurred on the right side in 3 specimens.
  • 3 Mathematics A fixed point from which coordinates are measured, as where axes intersect.
    More example sentences
    • Given ABC, we may assume its vertices lie on a circle centered at the origin of a Cartesian coordinate system.
    • Let u and v denote two positions on a chromosome, measured in a scale in morgan units with the coordinate origin at the target locus.
    • In fact, from the point P which is at distance d from the origin measured along a radius vector, the distance from P to the pole is d sec b.


early 16th century: from French origine, from Latin origo, origin-, from oriri 'to rise'.

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