subs. phr. (old cant).A lady.
1567. HARMAN, A Caveat or Warening for Common Cursetors (1814), p. 65. A GENTRY MORT, a noble or gentle woman.
1610. ROWLANDS, Martin Mark-all, p. 38 [Hunterian Clubs Reprint, 1874]. GENTRY MORT, a gentlewoman.
1775. BAILEY, English Dictionary, s.v.
1785. GROSE, A Classical Dictionary of the Vulgar Tongue, s.v.