Thyroid Definition
thīroid
noun
The thyroid gland.
Webster's New World
The thyroid cartilage.
Webster's New World
A preparation of the thyroid gland of certain animals, used in treating goiter, myxedema, etc.
Webster's New World
An artery, nerve, etc. in the region of the thyroid.
Webster's New World
Synonyms:
adjective
Designating or of a large ductless gland lying in front and on either side of the trachea and secreting the hormone thyroxine, which regulates body growth and metabolism: the malfunctioning or congenital absence of this gland can cause goiter, cretinism, etc.
Webster's New World
Designating or of the principal cartilage of the larynx, forming the Adam's apple.
Webster's New World
Synonyms:
Other Word Forms of Thyroid
Noun
Singular:
thyroid
Plural:
thyroidsOrigin of Thyroid
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From French thyroïde coined by Ambroise Paré, after Ancient Greek θυρεός (thyreos, “a large oblong shield") + εἶδος (eidos, “a form, shape").
From Wiktionary
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Greek thureoeidēs thureos oblong shield (from thurā door dhwer- in Indo-European roots) -oeidēs -oid
From American Heritage Dictionary of the English Language, 5th Edition
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