noun
Elizabethan collar; E-collar; pet cone
A protective cone placed around a pet's neck to prevent it from licking or scratching wounds. Common in veterinary contexts.
手術の後、犬にエリザベスカラーをつけた。
After the surgery, I put an Elizabethan collar on the dog.
Variant with interpunct; less common but still used.
From English 'Elizabethan collar', referring to the ruffled collars worn in the Elizabethan era, which the pet cone resembles.