First Class (Noun)
Meaning 1
Mail that includes letters and postcards and packages sealed against inspection.
Classification
Nouns denoting communicative processes and contents.
Synonyms
Meaning 2
The highest rank in a classification.
Classification
Nouns denoting attributes of people and objects.
Hypernyms
Meaning 3
The most expensive accommodations on a ship or train or plane.
Classification
Nouns denoting man-made objects.