GNU Collaborative International Dictionary of English

Found one definition

  1.       
    Renal (rēˈnal), a. [L. renalis, fr. renes the kidneys or reins: cf. F. rénal. See Reins.] (Anat.) Of or pertaining to the kidneys; in the region of the kidneys.

    [1913 Webster]

    Renal capsules or Renal glands, the suprarenal capsules. See under Capsule. -- Renal casts, Renal colic. (Med.) See under Cast, and Colic.

    [1913 Webster]