The American Heritage® Dictionary of the English Language, 4th Edition
v. To classify, include, or incorporate in a more comprehensive category or under a general principle: "The evolutionarily later always subsumes and includes the evolutionarily earlier” ( Frederick Turner).
v. To place (any one cognition) under another as belonging to it; to include or contain under something else.
v. To consider an occurrence as part of a principle or rule; to colligate
the GNU version of the Collaborative International Dictionary of English
v. To take up into or under, as individual under species, species under genus, or particular under universal; to place (any one cognition) under another as belonging to it; to include under something else.
The Century Dictionary and Cyclopedia
In logic, to state (a case) under a general rule; instance (an object or objects) as belonging to a class under consideration.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. contain or include
v. consider (an instance of something) as part of a general rule or principle
Word Usage
""subsume" the least of individual things except in so far as the material element which is its body would surround all living things and bring them into contact with one another."