From Longman Dictionary of Contemporary Englishthyroidthy‧roid /ˈθaɪrɔɪd/ (also thyroid gland) noun [countable] HBHan organ in your neck that produces substances that affect the way your body grows and the way you behave
Examples from the Corpus
thyroid• There may be other causes as well, like a thyroid or blood-sugar problem.• Other solid tumors associated with hypercalcemia arise from lung, kidney, liver, cervix, prostate, and thyroid.• Will they go away once my thyroid is treated?Origin thyroid (1700-1800) Modern Latin thyroides, from Greek thyreoeides “shield-shaped”, from thyreos “shield shaped like a door”, from thyra “door”; from the shape of the cartilage at the front of the throat 