masterpiece (EN)
nom

nom “masterpiece”

sg. masterpiece, pl. masterpieces
  1. obra mestra
    The Mona Lisa is often regarded as Leonardo da Vinci's masterpiece, captivating millions with her enigmatic smile.
  2. peça de mestria (en el context d'una prova d'habilitat per a ser admès com a mestre en un gremi)
    After years of training, the young carpenter presented a beautifully carved oak chair as his masterpiece to the guild, hoping to be recognized as a master craftsman.