wine is def an emulator. define emulator;
em·u·late (my-lt)
tr.v. em·u·lat·ed, em·u·lat·ing, em·u·lates
1. To strive to equal or excel, especially through imitation: an older pupil whose accomplishments and style I emulated.
2. To compete with successfully; approach or attain equality with.
3. Computer Science To imitate the function of (another system), as by modifications to hardware or software that allow the imitating system to accept the same data, execute the same programs, and achieve the same results as the imitated system.
adj. Obsolete (-lt)
Ambitious; emulous.
[Latin aemulr, aemult-, from aemulus, emulous; see emulous.]
emu·lative adj.
emu·lative·ly adv.
emu·lator n.
That is definitively what WINE does.
