Pinna
1. Parts of Speech:
Noun
2. Definitions:
1. The visible part of the outer ear that collects sound waves and directs them into the ear canal.
2. A feather-shaped structure on the dorsal surface of certain bivalve mollusks that helps in locomotion and respiration.
3. Pronunciations (US, UK):
US: /ˈpɪnə/
UK: /ˈpɪnə/
4. Origin and Usage:
The word "pinna" comes from Latin, meaning "feather, wing, or fin." It has been used in English since the 15th century to refer to the outer ear. The term "pinna" is commonly used in medical and scientific contexts.
5. Synonyms:
- Auricle
- Outer ear
6. Related Words:
- Earflap
- Conch
7. Example Sentences:
- She held the phone to her pinna to hear better.
- The pinna of the bivalve mollusk helps it to move through the water.