come under (someone or something)
1. To be categorized in a particular way. What classes come under the Liberal Arts discipline at this school?
2. To be one's responsibility. The benefits team comes under the Director of Human Resources.
come under something
to be classed in the category of something. This request comes under the category of a plain nuisance. Your proposal comes under the heading of new business and is out of order.
come under
1. Fit into a category or classification, as in This document comes under the heading "classified." [Mid-1600s]
2. Be the responsibility or province of, as in My department comes under your jurisdiction. [Early 1700s]