tr.v. sub·sumed, sub·sum·ing, sub·sumes
1. To classify or include in a more comprehensive category or under a general principle: "When late eighteenth-century Americans spoke of politics, they referred to a broad set of principles that they subsumed under the heading of republicanism" (Eric Foner).
2. To absorb (something) into or cause (something) to be overshadowed by something else: "The moment's regret was subsumed in the needs of the next moment" (Diana Gabaldon).
[Medieval Latin subsūmere : Latin sub-, sub- + Latin sūmere, to take; see em- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.