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.

any of several trumpet-shaped ciliate protozoans that are members of the genus Stentor

Stentor are a group of filter feeders, a genus of ciliate protozoa, representative of the heterotrichs. The body is generally trumpet-shaped, hence the association with the Greek herald, with a ring of prominent membranelles around the anterior "bell" that sweep in food and aid in swimming. Stentor are common in freshwater lakes and streams, usually attached to algae and other detritus.

A herald, in the Iliad, who had a very loud voice; hence, any person having a powerful voice.

a speaker with an unusually laoud voice

the mythical Greek warrior with an unusually loud voice who died after losing a shouting contest with Hermes

A howling monkey, or howler.

The former national alliance of incumbent carriers.