noun, noun which may take the genitive case particle 'no'
single-seater; one-person (vehicle)
Used for vehicles or craft designed for one person, such as boats, aircraft, or small cars. Often appears as a noun or with の to modify another noun.
This boat is a single-seater.
I pilot a single-seater airplane.
Compound of 一人 (one person) and 乗り (riding, from 乗る). The reading いちにんのり is a straightforward combination of the standard readings of the components.