subs. (old).—Ready money. [One Derby is supposed to have been a noted sixteenth century usurer.—See quots. under DARBIES, sense 1.] For synonyms, see ACTUAL and GILT.

1

  1688.  SHADWELL, The Squire of Alsatia (list of cant words), s.v.

2

  c. 1712.  R. ESTCOURT, Prunella, Act i., p. 4.

        Come nimbly lay down DARBY;
Come, pray sir, don’t be tardy.

3

  1785.  GROSE, A Classical Dictionary of the Vulgar Tongue, s.v.

4

  1811.  GROSE and CLARKE, Lexicon Balatronicum, s.v.

5