Meaning of Morera's theorem

Mo•re'ra's the'orem

Pronunciation: (mô-râr'uz), [key]
— Math. Math.
  1. the theorem that a function is analytic in a simply connected domain if its integral is zero around every simple closed curve of finite length in the domain.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.