1. Plural of auricula; small ear-shaped structures or appendages, especially in anatomy and botany.
Usage: technical/medical; botanical
2. In botany, small ear-like lobes at the base of a leaf or leafstalk.
Usage: botanical
3. In anatomy, small pouches or chambers, particularly the upper chambers of the heart (also called atria).
Usage: medical/anatomical

Examples

• The auriculae of the heart receive blood from the veins.
• Botanists examined the auriculae at the base of the leaf blade.
• The auriculae are small, ear-shaped projections found in certain plant species.
• In cardiac anatomy, the auriculae function as receiving chambers.
• The auriculae of this plant species are particularly prominent.