Having a flat, shield-shaped body part.
This word is usually used in scientific or technical contexts.
Examples:
The beetle has a scutellated back.
The scutellated turtle has a hard, flat shell.
The scutellated insect has a shield on its back.
The scutellated fish has a flat, shield-like scale.
The scutellated robot has a shield-shaped part.
The scutellated bug looks like it has a little shield on its back.