yamaha
n. countable B1 Intermediate US //ˈjɑmɑˌhɑ// yama·ha
n. a famous Japanese company that makes many different products, especially musical instruments and motorcycles. You might see this name on a piano, a guitar, or a fast bike.
n. a Japanese multinational corporation and conglomerate with a wide range of products and services. While globally recognised for its musical instruments, it is also a major manufacturer of motorised vehicles and electronics.
He plays a Yamaha piano every day.
The music school recently upgraded its facilities by purchasing ten new Yamaha keyboards for the students.
Usage
When referring to the company as a whole, it is treated as a proper noun and capitalised.