Definition of "fundament" [fun•da•ment]

• The buttocks. (noun)
• The anus. (noun)
• The natural features of a land surface unaltered by humans. (noun)
• A foundation, as of a building. (noun)
• An underlying theoretical basis or principle: "All neighbor states ... must revise ... their policy fundaments” ( C.L. Sulzberger). (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.

• "If they are actually altering the reading based on some "factor" they pulled out of their fundament, that is another problem."
• "God only knows what a "fundament" is, but apparently it does a lot of different things."
• "There's some heavyhanded sexual humor as well, including a missionary whose naked "fundament" suffers the indignity of a tattoo and a young lady who falls into Macklyn's lap much to his obvious pleasure."