\Sten"tor\, n. [L. Stentor, Gr. ?.]
1. A herald, in the Iliad, who had a very loud voice; hence,
   any person having a powerful voice.
2. (Zo["o]l.) 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. (Zo["o]l.) A howling monkey, or howler.