Webster's Revised Unabridged Dictionary · 1913

Twang

Twang , noun

A tang. See Tang a state. [Rare]

Twang , intransitive verb

[Of imitative origin; compare Tang a sharp sound, Tinkle.]

To sound with a quick, harsh noise; to make the sound of a tense string pulled and suddenly let go; as, the bowstring twanged.

Twang , transitive verb

To make to sound, as by pulling a tense string and letting it go suddenly.
Sounds the tough horn, and twangs the quivering string. — Pope

Twang , noun

1.
A harsh, quick sound, like that made by a stretched string when pulled and suddenly let go; as, the twang of a bowstring.
2.
An affected modulation of the voice; a kind of nasal sound.
He has such a twang in his discourse. — Arbuthnot