n.
Pronunciation: ' th ī - ˌ ro ̇ id
Variant: also thy · roi · dal \ th ī - ' ro ̇ i-d ə l \
Function: adjective
Etymology: New Latin thyroides, from Greek thyreoeid ē s shield-shaped, thyroid, from thyreos shield shaped like a door, from thyra door ― more at DOOR
Date: circa 1741
1 a : of, relating to, or being the thyroid gland b : suggestive of a disordered thyroid <a thyroid personality>
2 : of, relating to, or being the chief cartilage of the larynx