n. any substance (like thiouracil or thiourea) that induces the formation of a goiter. [ WordNet 1.5 ]
a. [ F. goîtreux, L. gutturosus. See Goiter. ] Pertaining to the goiter; affected with the goiter; of the nature of goiter or bronchocele. [ 1913 Webster ]
Let me not be understood as insinuating that the inhabitants in general are either goitrous or idiots. W. Coxe.