D defs.my
Entry 6 senses Webster, 1913

Invention

/ĭnˌ-vĕn'-shən/ · In·ven·tion · IPA /ɪnˈvɛnʃən/
01 n. The act of finding out or inventing; contrivance or construction of that which has not before existed; as, the invention of logarithms; the…
  1. 1.
    The act of finding out or inventing; contrivance or construction of that which has not before existed; as, the invention of logarithms; the invention of the art of printing.
    “As the search of it [truth] is the duty, so the invention will be the happiness of man.” — Tatham.
  2. 2.
    That which is invented; an original contrivance or construction; a device; as, this fable was the invention of Esop; that falsehood was her own invention; she patented five inventions.
    “We entered by the drawbridge, which has an invention to let one fall if not premonished.” Evelyn.
  3. 3.
    Thought; idea.
  4. 4.
    A fabrication to deceive; a fiction; a forgery; a falsehood.
    “Filling their hearers With strange invention.” Shak.
  5. 5.
    The faculty of inventing; imaginative faculty; skill or ingenuity in contriving anything new; as, a man of invention.
    “They lay no less than a want of invention to his charge; a capital crime, . . . for a poet is a maker.” Dryden.
  6. 6.
    The exercise of the imagination in selecting and treating a theme, or more commonly in contriving the arrangement of a piece, or the method of presenting its parts.(Fine Arts, Rhet., etc.)
Phrases & compounds
Invention of the cross — a festival celebrated May 3d, in honor of the finding of our Savior's cross by St. Helena.