from The Century Dictionary.
- noun An ornament in the form of a plug, worn in the lobe of the ear.
- noun A stopper (made of cotton-wool and wax, of a vaselined cork, etc.) for closing the aperture of the one ear, while a stimulus is applied to the other.
Sorry, no etymologies found.
The the tiger one looks like he has those hipster ear-plug thingies.
The Rigellian-in-charge answered, his mental response coming not only in Kinnison's head, but through the ear-plug inserted in his left canal.
After ten minutes a man in shirt and necktie brought a two-way personal radio for Porter, who slipped the ear-plug into place and began listening to disembodied voices.
The nearest approach to this old custom is when the wooden ear-plug is painted thus, as are some in the author's possession.
The ears are somewhat shorter in proportion than usual and below each, at the sides of the face, is a large ear-plug, similar to that elsewhere found.
"They can use ear-plug to avoid ache in the ear at the time of flying, otherwise the glider is safe.