twang

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To emit a sharp, vibrating sound, as the string of a musical instrument does when it is plucked.
• intransitive verb To resound with a sharp, vibrating sound.
• intransitive verb To speak in a strongly nasal tone of voice.
• intransitive verb To cause to make a sharp, vibrating sound.
• intransitive verb To utter with a strongly nasal tone of voice.
• noun A sharp, vibrating sound, as that of a plucked string.
• noun A strongly nasal tone of voice, especially as a peculiarity of certain regional dialects.

from The Century Dictionary.

• noun A sharp pull; a sudden pang, a twinge.
• An exclamation or sound imitative of the twang of a bowstring, harpstring, etc.
• noun The sound of a tense string set in sudden sharp vibration by plucking; hence, any sharp, ringing musical sound.
• noun A sharp, ringing nasal tone, especially of the human voice.
• To give out a sharp, metallic ring, as the string of a musical instrument, a bow, etc., when plucked and suddenly set free: said also of other instruments which make a similar sound.
• To make music on a stringed instrument that is played by plucking or snapping; cause a sharp ringing sound like that of a harp or bowstring: as, to twang on a jews'-harp.
• To have a nasal sound: said of the human voice; also, to speak with a nasal twang: said of persons.
• To shoot with a bow; make a shot; hence, figuratively, to surmise; guess.
• To cause to sound with a short sharp ring; set in quick, resounding vibration, as the tense string of a bow or a musical instrument that is played by plucking: said less frequently of wind-instruments.
• To sound forth by means of a twanging instrument.
• To utter with a short, sharp, or nasal sound; specifically, to pronounce with a nasal twang.
• noun A sharp taste; a disagreeable after-taste or flavor left in the mouth; a tang; a flavor.

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb To make to sound, as by pulling a tense string and letting it go suddenly.
• intransitive verb To sound with a quick, harsh noise; to make the sound of a tense string pulled and suddenly let go.
• noun A harsh, quick sound, like that made by a stretched string when pulled and suddenly let go.
• noun An affected modulation of the voice; a kind of nasal sound.
• noun rare A tang. See tang a state.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun An onomatopoeia for the sound of a vibrating string - e.g. of a bow, or a musical instrument.
• noun A technical term for a particular sharp vibrating sound characteristic of electrical guitars.
• noun A trace of regional or foreign accent in someone's voice.
• noun A sound quality that appears in the human voice when the epilaryngeal tube is narrowed.
• verb To produce a sharp vibrating sound.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb sound with a twang
• verb pluck (strings of an instrument)
• verb pronounce with a nasal twang
• verb twitch or throb with pain
• noun a sharp vibrating sound (as of a plucked string)
• noun exaggerated nasality in speech (as in some regional dialects)
• verb cause to sound with a twang