ulator
The term "ulator" is not a recognized word in the English language and does not appear in standard dictionaries or technical lexicons. It is possible that "ulator" is a misspelling of a common word, a neologism, a jargon term specific to a particular field or group, or a made-up word.
If "ulator" is intended to be a misspelling, common candidates for the intended word might include "emulator,"
Without further context, it is impossible to definitively define or explain "ulator." If this term was encountered