spirant

Later, as Latin did not use for the consonant written as v in vis, &c. , was dropped and received a new special value in Latin as representative of the unvoiced labio-dental spirant.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" by Various

That the spirant J was in all cases pronounced as Y there is scarcely room for doubt.

From The History of Roman Literature From the earliest period to the death of Marcus Aurelius by Charles Thomas Cruttwell

The Sco. garth has changed the original voiced spirant to a voiceless one.

From Scandinavian influence on Southern Lowland Scotch by George Tobias Flom

G is the soft spirant, not used in English.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various

Fie for Shame; I can't forbear making Use of that Expression of the Satyrist, Tunc immensa cavi spirant mendacia folles.

From Colloquies of Erasmus, Volume I. by Desiderius Erasmus