n. A lengthy, formal discourse that analyses or explains some topic; a dissertation or treatise.
the GNU version of the Collaborative International Dictionary of English
n. A formal or systematic inquiry into, or discussion of, any subject; a full examination or investigation of a matter, with the arguments and facts bearing upon it; elaborate essay; dissertation.
The Century Dictionary and Cyclopedia
n. A seeking; search; investigation.
n. A formal or systematic inquiry into or investigation of some problem or topic; a formal discussion or treatise; a dissertation; an essay: as, a disquisition on government or morals.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an elaborate analytical or explanatory essay or discussion
Word Usage
"The word disquisition has appeared in 15 New York Times articles in the past year, including on June 12 in the essay The Ahab Parallax: 'Moby"