Available Definitions:
1) n. - A herald, in the Iliad, who had a very loud voice; hence, any person having a powerful voice.
2) n. - Any species of ciliated Infusoria belonging to the genus Stentor and allied genera, common in fresh water. The stentors have a bell-shaped, or cornucopia-like, body with a circle of cilia around the spiral terminal disk. See Illust . under Heterotricha.
3) n. - A howling monkey, or howler.