Ce-dīl'īă, n.

noun

n. [Sp. cedilla, Fr. cédille, It. zediglia, diminutive of zeta, the Greek name of the letter z, because this letter was formerly written after the c, to give it the pronunciation of s.] A mark placed under the letter c [thus, ç], to show that it is to be sounded like s; as in façade.