Ear Anatomy

adjective describing a shape that is half of a circle; having the shape of a semicircle

• The semicircular arches of the cathedral were a stunning example of Gothic architecture.
• The semicircular driveway makes it easy to pull in and out of the house.
• I love how the semicircular stage gives the performers room to move around.
• Her smile was like a semicircular rainbow, brightening up the room.

noun a passage or opening leading to the eardrum in the human ear, also known as the ear canal

• The acoustic meatus is the opening in the ear that leads to the ear canal.
• I think I may have something stuck in my acoustic meatus, it's been bothering me all day.
• Don't stick anything in your acoustic meatus, you could damage your eardrum.
• His words entered my mind like sound waves through an acoustic meatus, leaving a lasting impact.