Webster’s Revised Unabridged Dictionary · 1913 Gittern Git′tern (gĭt′tẽrn), n. [OE. giterne, OF. guiterne, ultimately from same source as E. guitar. See Guitar, and cf. Cittern.] An instrument like a guitar. "Harps, lutes, and giternes." Chaucer. Git′tern, v. i. To play on gittern. Milton. ‹ Gith Gittith ›