D defs.my
Entry 1 sense Webster, 1913

Masterpiece

/măs'-tẽrp-ēsˌ/ · Mas·ter·piece · IPA /ˈmæstɚˌpis/
01 n. Anything done or made with extraordinary skill; a capital performance; a chef-d'oeuvre; a supreme achievement.
  1. 1.
    Anything done or made with extraordinary skill; a capital performance; a chef-d'oeuvre; a supreme achievement.
    “The top and masterpiece of art.” South.
    “Dissimulation was his masterpiece.” — Claredon.