コーン
Meanings
1
ice-cream cone
Used for the edible cone or cone-style serving option for ice cream, often contrasted with カップ.
A cone, not a cup, please.
2
speaker cone
Audio-equipment use: the cone-shaped diaphragm part of a speaker. Context usually makes this clear.
The cone of the old speaker is torn.
3
Used for road-safety or construction-site cones; カラーコーン and 三角コーン are more explicit terms.
Red traffic cones are lined up in front of the construction site.
Usage patterns
- アイスを〈物〉で食べるto have ice cream in a cone (as opposed to a cup)
I like to eat my ice cream in a cone.
- コーンを立てるto set up a traffic cone
They set up cones at the construction site to close the road.
- コーンが破れるfor a speaker cone to tear/rupture
After being used at high volume for so long, the speaker's cone tore.