- Shaped like an oblong shield; shield-shaped; as, the
thyroid cartilage. - Of or pertaining to the thyroid body, thyroid cartilage,
or thyroid artery; thyroideal.
- Lyre-shaped, or spatulate and oblong, with small lobes
toward the base; as, a lyrate leaf. - Shaped like a lyre, as the tail of the blackcock, or that
of the lyre bird.