Green’s Dictionary of Slang

a man who meddles in ‘women’s work’ around the house.

c.1698		B.E. Dict. Canting Crew n.p.: Cot for Cotquean, a Man that meddles with Womens matters.
1705		‘Fortune’s Bounty’ in N. Ward Poems on Divers Subjects (1706) 252: Guild Hall was by the Dame afign’d / Most fit above all other places, / For Cucks and Cots to shew their Faces.
1768		Bath Chron. 8 Dec. 2: [advert] Curtain Lectures; or, Matrimonial Misery displayed in a Series of interesting Dialogues between Men and their Wives [...] The Old Fumbler, the Miser, the Cot [...] the termagent Jade and the Scold; will find our Book is the Picture of Life.
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue n.p.: Cot, or quot, a man who meddles with a woman’s household business, particularly in the kitchen; the punishment commonly inflicted on a quot, is pinning a greasy dishclout to the skirts of his coat.
1811		Lex. Balatronicum.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.