first class, n.
freq. cnt. 1
freq. cnt. 1
the highest rank in a classification
<noun.attribute> freq. cnt.: 1 freq. cnt.: 1
first class
semantic pointers
hypernym
the most expensive accommodations on a ship or train or plane
<noun.artifact>
first class
semantic pointers
hypernym
mail that includes letters and postcards and packages sealed against inspection
<noun.communication>
1st class 1st-class mail first class first-class mail