\In*nom"i*nate\, a. [L. innominatus; pref. in- not +
nominare to name.]
1. Having no name; unnamed; as, an innominate person or
   place. [R.] --Ray.
2. (Anat.) A term used in designating many parts otherwise
   unnamed; as, the innominate artery, a great branch of the
   arch of the aorta; the innominate vein, a great branch of
   the superior vena cava.
{Innominate bone} (Anat.), the great bone which makes a
   lateral half of the pelvis in mammals; hip bone; haunch
   bone; huckle bone. It is composed of three bones, ilium,
   ischium, and pubis, consolidated into one in the adult,
   though separate in the fetus, as also in many adult
   reptiles and amphibians.
{Innominate contracts} (Law), in the Roman law, contracts
   without a specific name.