stentor

A loud-voiced Greek herald in the Iliad.

One with a loud or piercing voice.

Any of several trumpet-shaped ciliate protozoans of the genus Stentor, living in freshwater habitats and feeding chiefly on smaller microorganisms.

A person having a very powerful voice.

In mammalogy: The ursine howler, Mycetes ursinus, a platyrrhine monkey of South America; an alouate; any species of Mycetes. See cut under howler.

[capitalized] The genus of howlers: same as Mycetes.

In Protozoa: A trumpet-animalcule, or so-called funnel-like polyp.

[capitalized] The typical genus of Stentoridæ, of elongate, trumpetlike, or infundibuliform figure, with rounded peristome.

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

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.