second_class
1. [ noun ] not the highest rank in a classification
Related terms: inferiority
2. [ noun ] not the highest rank in a classification
Related terms: rank inferiority
3. [ adverb ] by second class conveyance
Examples:

"we traveled second class"

4. [ noun ] (housing) accommodations on a ship or train or plane that are less expensive than first class accommodations
Synonyms: Cabin_class
Related terms: accommodation
Similar spelling:   second-class
  second_base
  second_cousin
  second_baseman
  Second_Crusade
  second_best
  second-guess
  second_sight
  secondary
  second_banana
  Second_Coming
  second_estate
  second_fiddle
  second_person
  second_sacker
  secondhand
  second_stomach
  second_wind
  second_hand
  second_half
  second_gear
  second-rate
  second_deck
  second-year
  secondarily
  secondguess
  secondary_cell
  secondary_coil
  second_power
  second-best
  second_joint
  second-rater
  Second_Reich