cabin class

Short definition from Wiktionary

Noun

1. 1
   The class of seating or accommodation one can choose on an airplane, ship, or train.
2. 2
   On a passenger ship, a specific class of accommodation, usually less expensive than first class but more expensive than the lowest category.
3. 3
   The classification of a boat based on its size.

Adjective

1. 1
   Alternative form of cabin class.