subs. (old).—Hair: spec. (a) the hair of the head; and (2) the pubic hair. Hence THATCHED HOUSE UNDER THE HILL = the female pudendum. See FLEECE and MONOSYLLABLE. As verb = to cover with (or wear) hair.

1

  1609.  SHAKESPEARE, Timon of Athens, iv. 3. 143.

                  THATCH your poor thin roofs
With burthens of the dead.

2

  1630.  DRAYTON, The Muses’ Elysium, iv.

        Thro’ the thick hair, that THATCH’D their brows,
Their eyes upon me stared.

3

  1772.  G. A. STEVENS, Songs, Comic and Satyrical. The Thatched House Under the Hill [Title].

4