Wordnet 3.0
ADJECTIVE (1)
1. 
 of or relating to the thyroid gland; 
- Example: "thyroid deficiency"- Example: "thyroidal uptake"[syn: thyroid, thyroidal]
WordNet (r) 3.0 (2006):
thyroidal
    adj 1: of or relating to the thyroid gland; "thyroid
           deficiency"; "thyroidal uptake" [syn: thyroid,
           thyroidal]