Definition of "sense datum" [sense datum]

• A basic unanalyzable sensation, such as a color or smell, experienced upon stimulation of a sense organ or receptor. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.