柯林斯詞典thyroid /?θa?r??d/ (thyroids) 1. N-COUNT Your thyroid or your thyroid gland is a gland in your neck that produces chemicals which control the way your body grows and functions. 甲狀腺 返回 thyroid劍橋詞典a gland (= an organ ) in the front of the neck that is involved in controlling the way the body develops and works 甲狀腺 返回 thyroid