Scutellum

Noun

1. Any of several shield-shaped structures in insects, grasses etc A rounded apothecium having an elevated rim formed of the proper thallus, the fructification of certain lichens. The third of the four pieces forming the upper part of a thoracic segment of an insect. It follows the scutum, and is followed by the small postscutellum. One of the transverse scales on the tarsi and toes of birds. A grass seed cotyledon that is highly modified for absorption.
2. A rounded apothecium having an elevated rim formed of the proper thallus, the fructification of certain lichens.
3. The third of the four pieces forming the upper part of a thoracic segment of an insect. It follows the scutum, and is followed by the small postscutellum.
4. One of the transverse scales on the tarsi and toes of birds.
5. A grass seed cotyledon that is highly modified for absorption.