1. of, relating to, or having an aperture or opening
Usage: technical; formal
2. in zoology and botany, relating to or located at the aperture of a shell, fruit, or similar structure
Usage: scientific; specialized

Examples

• The apertural region of the snail shell showed distinctive markings.
• Apertural features are important for identifying certain mollusk species.
• The apertural opening in the seed pod allows for spore dispersal.
• Scientists examined the apertural characteristics under magnification.
• The apertural diameter varies among different specimens in the collection.