Nostril
Nose Hole
noun
What's your nose's hole? How about your nostril?
The reading is the readings for 鼻 and 穴. Smell that fresh air through your nose hole.
「コウイチの鼻の穴の形ってちょっと変じゃない？」「そう？私はかわいいと思うけど。」
"Aren't the shapes of Koichi's nose holes a bit weird?" "Really? I think they are cute."
コウイチは、鼻血が出てくる時は鼻の穴にチクワをさしこんで止血します。
When Koichi has a nose bleed, he sticks a tube-shaped fish paste cake in there to stop it.
「君の鼻の穴…。」「何？聞こえないわ。」「ええっと、やっぱり何でもないよ。大したことじゃないから。」「教えてくれなきゃだめよ。何を言おうとしてたの？」
"Your nostril..." "What? I can’t hear you." "Well never mind. It’s nothing." "Now you have to tell me. What were you saying?"