Definitions

1. adjective

not using a stoker or having a stokerless system, especially in a steam locomotive or power plant, meaning the fire is controlled by a mechanical device, not by a human

“The new, stokerless steam engine reduced labor costs and increased efficiency.”

2. adjective

having a combustion chamber without a stoker, where coal or other fuel is fed mechanically

“The stokerless furnace was designed for efficient fuel burning and minimal manual labor.”