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1

thyroid

play
adjective thy·roid \ˈthī-ˌrȯid\

Definition of thyroid

  1. 1a :  of, relating to, or being the thyroid glandb :  suggestive of a disordered thyroid <a thyroid personality>

  2. 2 :  of, relating to, or being the chief cartilage of the larynx



Variants of thyroid

also thyroidal play \thī-ˈrȯi-dəl\

Origin of thyroid

New Latin thyroides, from Greek thyreoeidēs shield-shaped, thyroid, from thyreos shield shaped like a door, from thyra door — more at door


First Known Use: circa 1741


2

thyroid

noun thy·roid

Simple Definition of thyroid

  • medical : a small gland in the neck that affects growth

Source: Merriam-Webster's Learner's Dictionary

Full Definition of thyroid

  1. 1 :  a large bilobed endocrine gland of vertebrates lying at the anterior base of the neck and producing especially the hormones thyroxine and triiodothyronine

  2. 2 :  a preparation of the thyroid gland of various domestic animals used in treating thyroid disorders

1787

First Known Use of thyroid

1787


THYROID Defined for Kids

thyroid

play
noun thy·roid \ˈthī-ˌrȯid\

Definition of thyroid for Students

  1. :  a gland at the base of the neck that produces hormones which affect growth, development, and the rate at which the body uses energy




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