Definition of "quat"

I have rubb'd this young quat almost to the sense, And he grows angry.

1565, William Shakespeare, Othello

Mrs. Cad. Well, come, begin and ſtart me, that I may come the ſooner to quatting——Huſh ! here′s Siſter ; what the deuce brought her !

1757, Samuel Foote, The Author, Act II, Scene ii, 1765, The Dramatic Works, Volume 1, page 28

'Mang mis'ry's posts, whar I did sit, My tongue took sic a faltrin' fit, I thought the wee remains o' wit I had, was quat me

1813, Hugh Porter, Poetical attempts, page 35

They seem to our ears indeed to have "quat their roaring play."

1868, John Wilson, Recreations of Christopher North, Volume 2

Tho' B-lt-n, quatted in the hall, Her jolly r-mpfs display'd, The size of it amaz'd them all, and Hector quite dismay'd.

1700, Ta Paidia Tēs Kythereias; Or, King's Place In An Uproar, page 10

This cows' courant so excited the tinners' curiosity that they went up the hill till they saw the two men wrestling, with the women looking on; then they quatted (stooped) down in a brake of furze to watch the play without being seen.

1870, William Bottrell, Traditions and Hearthside Stories of West Cornwall

Tarka quatted on the ledge ; he knew that Deadlock would follow hiin wherever he swam in water.

1932, Ernest Thompson Seton, Famous Animal Stories, page 678

She quatted down next to him and rubbed his shoulder.

2013, R. M. Lienau, The Truchas Light: A Novel, page 155

My word, I gie him nae encouragement ! I canna bide the sicht o' him, and wad gie the best gown I hae to be quat o' him."

1838, Chambers's Journal, page 134

There it is, sir—Im blythe to be quat of it; pitch it from ye furder than I can see.

1861, Mrs. Oliphant, The House on the Moor

HECH me, but I'm weary, I'm heart-sick and sad ; O' my kinsfolk I've got quite a wamefu', I wush I was quat o' the d — nable squad — Forgi'e me for sweerin' sae shamefu'.

1895, William Stewart, Lilts and Larks Frae Larkie, page 177

“Because quats are positively charged, and skin proteins have a slightly negative charge, quats like to attach themselves to skin,” said Greg Nole, a manager at Unilever, the parent company of Vaseline and Dove.

2009 October 1, Hilary Howard, “New Ways to Moisturize for Less”, in The New York Times‎