ندى

نِدَاآءٌ ذ signifies simply The raising the voice; not implying the expression of meaning by speech. (Er-Rághib, TA.) ― -b2- حَرْفُ نِدَاآءِ A particle of calling, or hailing, or invocation; as يَا. ― -b3- A vocative particle. ― -b4- The vocative form of speech. ― -b5- Also, agreeably with many other instances, like خَلْقٌ in the sense of مَخْلُوقٌ, an inf. n. used in the sense of a pass. part. n., meaning A person or thing called; the object of a vocative particle, syn. with ↓ مُنَادًى.