cat ears
Literal meaning: the ears of a cat. Also used for cat-ear-shaped accessories or hairstyles.
猫耳のカチューシャをつけてパーティーに行った。
I went to the party wearing a cat-ear headband.
あの子は猫耳みたいな髪型をして
nekomimi; cat-eared character; catgirl; catboy
Manga/anime slang for a character with cat ears, often a catgirl or catboy. Usually written in kana or katakana.
最近のアニメにはネコミミのキャラがよく出てくる。
Characters with cat ears often appear in recent anime.
ears with soft, slightly smelly earwax
Describes ears that produce soft earwax with a mild odor, often associated with a genetic trait. Rare and specific usage.
猫耳の人は耳垢が湿っていて、少しにおいがあることが多い。
People with 'cat ears' often have moist earwax that has a slight smell.
That girl has a hairstyle that looks like cat ears.
彼はネコミミのコスプレをしている。
He is cosplaying as a catboy.
Standard kanji spelling for all senses.
Katakana spelling, common in manga/anime contexts and when emphasizing the slang sense.
Compound of 猫 (neko, 'cat') and 耳 (mimi, 'ear'). The slang sense arose from manga and anime culture.