Webster's Revised Unabridged Dictionary · 1913

Termagant

Termagant , noun

[Old English Trivigant, Termagant, Termagant (in sense 1), Old French Tervagan; compare Italian Trivigante.]

1.
An imaginary being supposed by the Christians to be a Moslem deity or false god. He is represented in the ancient moralities, farces, and puppet shows as extremely vociferous and tumultuous. [Obsolete] — Spenser
And oftentimes by Termagant and Mahound [Mahomet] swore. — Chaucer
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 (1543)
The slave of an imperious and reckless termagant. — Macaulay

Termagant , adjective

Tumultuous; turbulent; boisterous; furious; quarrelsome; scolding.
A termagant, imperious, prodigal, profligate wench. — Arbuthnot