(anatomy) A large unpaired artery that arises from the abdominal aorta just below the celiac artery at the level of the first lumbar vertebra, and supplies the intestine from the distal half of the duodenum through two-thirds of the transverse colon, as well as the head of the pancreas.

(property law) Synonym of headlease.

plural of superior tenant

plural of superior lease

(property law) The landlord of a headlease, from the perspective of an underlease to that lease.

(property law) Synonym of head tenant.

plural of superior landlord

(pathology) A gastrovascular disorder where part of the duodenum is under compression from both the abdominal aorta and the superior mesenteric artery.

plural of supernumerary rainbow

One of the faintly colored bands sometimes seen bordering the violet edge of a rainbow, i.e. inside the primary bow or, much more rarely, outside the secondary.