1. Shaped like an oblong shield; shield-shaped; as, the thyroid cartilage.
2. (Anat.)
Defn: Of or pertaining to the thyroid body, thyroid cartilage, or thyroid artery; thyroideal. Thyroid cartilage. See under Larynx. — Thyroid body, or Thyroid gland (Anat.), a glandlike but ductless body, or pair of bodies, of unknown function, in the floor of the mouth or the region of the larynx. In man and most mammals it is a highly vascular organ, partly surrounding the base of the larynx and the upper part of the trachea. — Thyroid dislocation (Surg.), dislocation of the thigh bone into the thyroid foramen. — Thyroid foramen, the obturator foramen.
THYROIDEAL
Thy*roid"e*al, a. (Anat.)
Defn: Thyroid.
THYROTOMY
Thy*rot"o*my, n. Etym: [Thyro- + Gr. (Surg.)
Defn: The operation of cutting into the thyroid cartilage.
THYRSE
Thyrse, n. Etym: [Cf. F. thyrse.]
Defn: A thyrsus.
THYRSOID; THYRSOIDAL
Thyr"soid, Thyr*soid"al, a. Etym: [Gr. thyrsoïde.]