Emily Dickinson Lexicon

TANG, n. [Gr. ταγγη, rancor; ταγγος, rancid; It. tanfo.]

1. A strong taste; particularly, a taste of something extraneous to the thing itself; as, wine or cider has a tang of the cask. Locke.
2. Relish; taste. [Not elegant.]
3. Something that leaves a sting or pain behind. She had a tongue with a tang. Shak.
4. Sound; tone. [Not in use.] Holder.