noun
1. the highest rank in a classification (Freq. 1)
• Hypernyms: ↑superiority, ↑high quality
2. mail that includes letters and postcards and packages sealed against inspection
• Syn: ↑1st class, ↑first-class mail, ↑1st-class mail
• Hypernyms: ↑mail
• Hyponyms: ↑correspondence
3. the most expensive accommodations on a ship or train or plane
• Hypernyms: ↑accommodation
adverb
by first class conveyance; with first class accommodations
-
we always travel first class
Useful english dictionary. 2012.