thesis Meaning, Definition & Usage

  1. noun an unproved statement put forward as a premise in an argument
  2. noun a treatise advancing a new point of view resulting from research; usually a requirement for an advanced academic degree
    dissertation.

WordNet

The"sis noun
Etymology
L., fr. Gr. , fr. to place, set. See Do, and cf. Anathema, Apothecary, Epithet, Hypothesis, Parenthesis, Theme, Tick a cover.
Wordforms
plural Theses
Definitions
  1. A position or proposition which a person advances and offers to maintain, or which is actually maintained by argument.
  2. Hence, an essay or dissertation written upon specific or definite theme; especially, an essay presented by a candidate for a diploma or degree.
    I told them of the grave, becoming, and sublime deportment they should assume upon this mystical occasion, and read them two homilies and a thesis of my own composing, to prepare them. Goldsmith.
  3. (Logic) An affirmation, or distinction from a supposition or hypothesis.
  4. (Mus.) The accented part of the measure, expressed by the downward beat; -- the opposite of arsis.
  5. (Pros.) (a) The depression of the voice in pronouncing the syllables of a word. (b) The part of the foot upon which such a depression falls.

Webster 1913