Suprarenal \Su`pra*re"nal\, a. (Anat.) Situated above, or anterior to, the kidneys. -- n. A suprarenal capsule.

Suprarenal capsules (Anat.), two small bodies of unknown function in front of, or near, the kidneys in most vertebrates. Also called renal capsules, and suprarenal bodies.

Source: Webster's Revised Unabridged Dictionary (1913)