ˌthird ˈclass noun [uncountable]

1. a cheap class of mail in the US, usually used for sending advertisements

2. the lowest type of degree that is given by a British university

3. old-fashioned the cheapest and least comfortable part of a train or ship
—third-class adjective, adverb:
We travelled third-class.
⇒ first class, second class

[TahlilGaran] Dictionary of Contemporary English ▲

See main entry: third class

[TahlilGaran] Dictionary of Contemporary English ▲

third class
n.
1. The third best or highest group; the class next after the second class.
Mary won the pie-making contest in the third class, for the youngest girls.
2. Mail that is printed, other than magazines and newspapers that are published regularly, and packages that are not sealed and weigh less than a pound.
The company uses third class to mail free samples of soap.
3. The least expensive class of travel.
I couldn't afford anything better than the third class on the ship coming home from France.
Compare: FIRST CLASS, SECOND CLASS.

[TahlilGaran] English Idioms Dictionary ▲

third class
third-class¹ adj. Belonging to the third class; of the third highest or best class.
Much advertising is sent by third-class mall.
I bought a third-class airline ticket to Hawaii.
third-class² adv. By third class.
How did you send the package? Third class.
We traveled third-class on the train.

[TahlilGaran] English Idioms Dictionary ▲