Webster’s Revised Unabridged Dictionary · 1913
Termagant
Ter′ma·gant (·gant), n. [OE. Trivigant, Termagant, Termagant (in sense 1), OF. Tervagan; cf. It. Trivigante.] 1. An imaginary being supposed by the Christians to be a Mohammedan deity or false god. He is represented in the ancient moralities, farces, and puppet shows as extremely vociferous and tumultous. [Obs.] Chaucer. "And oftentimes by Termagant and Mahound [Mahomet] swore." Spenser.
The lesser part on Christ believed well, On Termagant the more, and on Mahound. Fairfax.
2. A boisterous, brawling, turbulent person; — formerly applied to both sexes, now only to women.
This terrible termagant, this Nero, this Pharaoh. Bale.
The slave of an imperious and reckless termagant. Macaulay.
Ter′ma·gant, a. Tumultuous; turbulent; boisterous; furious; quarrelsome; scolding. — Ter′ma·gant·ly, adv.
A termagant, imperious, prodigal, profligate wench. Arbuthnot.