noun
smoking corner; smoking area
A designated spot, often in a public facility, where smoking is permitted.
空港の喫煙コーナーはガラスで仕切られている。
The smoking corner at the airport is partitioned off with glass.
喫煙所 is a more formal term for a smoking room or designated smoking area, often used in official signage, while 喫煙コーナー sounds more casual and implies a smaller, partitioned section.
Compound of 喫煙 (smoking) and コーナー (corner), a straightforward loanword-based formation.