A plum bed (Devonshire). A soft bed, in which the down lies
The dough plums well
(Devonshire). Rises well, and will not be heavy. The cake is
nice and plum
(Devonshire). Light. (Plump,
swelled out.) He is worth a plum.
The Spanish pluma
means both plumage and
wealth. Hence tiene pluma
(he has feathered his nest). We
arbitrarily place this desideratum at 50,000 has got only half a plum.
“Either a plum or a plumstone”- i.e. “Aut Casar aut nullus.”
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894