We found one dictionary that defines the word first-class honours degrees:

General (1 matching dictionary)

1. first-class honours degrees, first-class honours degrees: Collins English Dictionary

(Note: See first-class_honours_degree as well.)

Definitions from WordNet (first-class honours degree) ▸ noun:  an honours degree of the highest class ▸ Also see first-class_honours_degree ▸ Words similar to first-class honours degrees ▸ Usage examples for first-class honours degrees ▸ Idioms related to first-class honours degrees ▸ Wikipedia articles (New!) ▸ Words that often appear near first-class honours degrees ▸ Rhymes of first-class honours degrees ▸ Invented words related to first-class honours degrees