From The Collaborative International Dictionary of English v.0.48:
Cheap \Cheap\ (ch[=e]p), n. [AS. ce['a]p bargain, sale, price;
akin to D. koop purchase, G. kauf, Icel. kaup bargain. Cf.
Cheapen, Chapman, Chaffer, Cope, v. i.]
A bargain; a purchase; cheapness. [Obs.]
[1913 Webster]
The sack that thou hast drunk me would have bought me
lights as good cheap at the dearest chandler's in
Europe. --Shak.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Cheap \Cheap\, a. [Abbrev. fr. "good cheap": a good purchase or
bargain; cf. F. bon march['e], [`a] bon march['e]. See
Cheap, n., Cheapen.]
1. Having a low price in market; of small cost or price, as
compared with the usual price or the real value.
[1913 Webster]
Where there are a great sellers to a few buyers,
there the thing to be sold will be cheap. --Locke.
[1913 Webster]
2. Of comparatively small value; common; mean.
[1913 Webster]
You grow cheap in every subject's eye. --Dryden.
[1913 Webster]
Dog cheap, very cheap, -- a phrase formed probably by the
catachrestical transposition of good cheap. [Colloq.]
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Cheap \Cheap\, adv.
Cheaply. --Milton.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Cheap \Cheap\, v. i.
To buy; to bargain. [Obs.] --Chaucer.
[1913 Webster]