Also tetty, tittie. A dial. and nursery dim. of TEAT, the breast, esp. the mother’s breast.

1

1746.  Exmoor Courtship, 376 (E.D.S.). Es wont ha’ ma Tetties a grabbled zo.

2

1825.  [see TEAT 1 α].

3

1857.  Dunglison, Med. Lex., Titty, mamma, nipple. [See Eng. Dial. Dict., s.v.]

4