Greedy, a. [Compar. Greedier (-î-er); superl. Greediest.]
Etymology: [OE. gredi, AS. grdig, grdig; akin to D. gretig, OS. grdag, OHG. grtag, Dan. graadig, OSw. gradig, grdig, Icel. graugr, Goth. grdags greedy, grdn to be hungry; cf. Skr. grdh to be greedy. Cf. Greed.]
1. Having a keen appetite for food or drink; ravenous; voracious; very hungry; -- followed by of; as, a lion that is greedy of his prey.
2. Having a keen desire for anything; vehemently desirous; eager to obtain; avaricious; as, greedy of gain.
Shades of meaning
Fernald has no entry of its own for greedy; he lists it under avaricious.
Where he writes about it:
Greedy and stingy are used not only of money, but often of other things, as food, etc. — from avaricious
The greedy child wishes to enjoy everything himself; the stingy child, to keep others from getting it. — from avaricious