[Of obscure origin.] A fault or entanglement in a thread, which hinders the process of spinning or weaving.
1819. Thomson, Poems, 27 (E.D.D.). Is t a cursed wab o yarn That winna work, for knots and twits?
1884. W. S. B. McLaren, Spinning, vii. (ed. 2), 131. Freedom from twits.
Twit, sb.3: see TWIT int.