an endocrine gland of vertebrates, consisting in humans of two lobes near the base of the neck. It secretes hormones that control metabolism and body growth
WordReference Random House Learner's Dictionary of American English © 2026
ˈthy•roid ˌgland, n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Anatomya gland located at the base of the neck that secretes hormones to regulate the rates of metabolism and growth.
thy′roid gland′, [Anat.]
- Anatomya two-lobed endocrine gland, located at the base of the neck that secretes two hormones that regulate the rates of metabolism, growth, and development. Cf. thyroxine, triiodothyronine.
- 1685–95
Collins Concise English Dictionary © HarperCollins Publishers::
'thyroid gland' also found in these entries (note: many are not synonyms or translations):
colloid
- euthyroid
- exophthalmic goiter
- goiter
- goitre
- hyperthyroidism
- hypothyroidism
- iodine 131
- myxoedema
- organotherapy
- parathyroid
- parathyroid gland
- propylthiouracil
- struma
- thiouracil
- thyroid
- thyroidectomy
- thyroiditis
- thyrosis
- thyrotoxic
- thyrotrophic
- thyrotropin
- thyroxine
- underactive