stentor

nouns

a speaker with an unusually loud voice

stentor

is derived from

is a type of (narrower)

someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)

"the speaker at commencement"; "an utterer of useful maxims"

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

stentor

is a member of

trumpet-shaped protozoa with a ciliated spiral feeding funnel

is a type of (narrower)

a protozoan with a microscopic appendage extending from the surface of the cell