THYROID

I. adjective also ~al see: door Date: circa 1741 1. of, relating to, or being the ~ gland, suggestive of a disordered ~ , of, relating to, or being the chief cartilage of the larynx, II. noun Date: 1787 a large bilobed endocrine gland of vertebrates lying at the anterior base of the neck and producing especially the hormones thyroxine and triiodothyronine, a preparation of the ~ gland of various domestic animals used in treating ~ disorders