Emily Dickinson Lexicon

CLAM'OR, n. [L. clamor; Fr. clameur; Ir. glam; Sax. hlem. See Claim.]

1. A great outcry; noise; exclamation; vociferation, made by a loud human voice continued or repeated, or by a multitude of voices. It often expresses complaint and urgent demand. – Shak. Prior.
2. Figuratively, loud and continued noise, as of a river or other inanimate things. – Addison.