Biological taxonomic rank between phylum and order. Used in scientific contexts.
The class Mammalia belongs to the phylum Chordata.
What class is this organism classified into?
platform; mission statement; general plan
fundamental principles; main lines · outline; summary; general features
law and order; official discipline
three monastic managers
The kanji 綱 originally means 'rope' or 'guiding principle', but here it is used as a translation for the biological term 'class', likely chosen for its sense of a major grouping or category.