Definition of "percept"

percept

/ˈpɜːsɛpt/

noun
plural percepts
1. (philosophy, psychology, now rare) Something perceived; the object of perception.
  Quotations
  Whether it might not, in like manner, be proper to introduce the term percept for the object of perception, I shall not at present inquire.
  1860, William Hamilton, Lectures in Metaphysics, III.3
2. (philosophy, psychology, linguistics) A perceived object as it exists in the mind of someone perceiving it; the mental impression that is the result of perceiving something.
  Quotations
  I see an inkstand on the table: that is a percept. Moving my head, I get a different percept of the inkstand.
  1901, Charles Sanders Peirce, Grammar of Science
  So far as in that world it is a stable feature, holds ink, marks paper and obeys the guidance of a hand, it is a physical pen. [...] So far as it is instable, on the contrary, coming and going with the movements of my eyes, altering with what I call my fancy, continuous with subsequent experiences of its ‘having been’ (in the past tense), it is the percept of a pen in my mind.
  1905, William James, “How Two Minds Can Know One Thing”, in Journal of Philosophy, Psychology and Scientific Methods
  Socrates remarks that when he is well he finds wine sweet, but when ill, sour. Here it is a change in the percipient that causes the change in the percept.
  1946, Bertrand Russell, History of Western Philosophy