Free Dictionary.com:
hy·brid (h
br
d)
n. 1. Genetics The offspring of genetically dissimilar parents or stock, especially the offspring produced by breeding plants or animals of different varieties, species, or races.
2. a. Something of mixed origin or composition.
b. Something, such as a computer or power plant, having two kinds of components that produce the same or similar results.
3. A word whose elements are derived from different languages.
Merriam-Wesbster Online Dictionary:
hy·brid

Pronunciation: \ˈhī-brəd\ Function:
noun Etymology: Latin
hybrida Date: 1601 1
: an offspring of two animals or plants of different races, breeds, varieties, species, or genera
2
: a person whose background is a blend of two diverse cultures or traditions
3 a
: something heterogeneous in origin or composition
: composite <
hybrids of complementary DNA and RNA strands> <a
hybrid of medieval and Renaissance styles> b
: something (as a power plant, vehicle, or electronic circuit) that has two different types of components performing essentially the same function
Yes, differant races of the same species are hybrids, humans included ... including myself given the dictionary deffination.
As stated, we in the hobby don't tend to use this meaning of it (west african krib and killie breeders do, as do some Malawi peacock keepers though) but technically, the dovii would be.