The American Heritage® Dictionary of the English Language, 4th Edition
n. A musical instrument having a flat-backed rounded body that narrows in the middle, a long fretted neck, and usually six strings, played by strumming or plucking.
n. A stringed musical instrument, usually with fretted fingerboard and 6 strings, played with the fingers or a plectrum (guitar pick).
v. To play the guitar.
the GNU version of the Collaborative International Dictionary of English
n. A stringed instrument of music resembling the lute or the violin, but larger, and having six strings, three of silk covered with silver wire, and three of catgut, -- played upon with the fingers.
The Century Dictionary and Cyclopedia
n. A musical instrument of the lute class, having usually six strings (three of catgut and three of silk wound with fine silver wire), stretched over a violin-shaped body, and a long neck and finger-board combined.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a stringed instrument usually having six strings; played by strumming or plucking
Word Usage
"MORNING DEW BONNIE DOBSON, vocals and guitar ART ROSENBAUM, guitar** and banjo*"