Also tetty, tittie. A dial. and nursery dim. of TEAT, the breast, esp. the mothers breast.
1746. Exmoor Courtship, 376 (E.D.S.). Es wont ha ma Tetties a grabbled zo.
1825. [see TEAT 1 α].
1857. Dunglison, Med. Lex., Titty, mamma, nipple. [See Eng. Dial. Dict., s.v.]