from
The Collaborative International Dictionary of English v.0.48
Cornucopia \Cor`nu*co"pi*a\ (k[^o]r`n[-u]*k[=o]"p[i^]*[.a]), n.;
pl. {Cornucopias} (-[.a]z). [L. cornu copiae horn of plenty.
See {Horn}, and {Copious}.]
1. The horn of plenty, from which fruits and flowers are
represented as issuing. It is an emblem of abundance.
[1913 Webster]
2. pl. (Bot.) A genus of grasses bearing spikes of flowers
resembling the cornucopia in form.
[1913 Webster]
Note: Some writers maintain that this word should be written,
in the singular, {cornu copi[ae]}, and in the plural,
{cornua copi[ae]}.
[1913 Webster] Cornute