Mark V Cerney is a phrase with a specific spelling that can be confusing to some. The correct way to spell it is /mɑrk vi: sərni/. The "Mark V" part is straightforward, but the second name, "Cerney," is pronounced with a weak vowel in the first syllable. This sound is known as a schwa, and it's represented by the symbol "ə" in IPA. The last syllable of the name is pronounced with a long "e" sound, spelled "ee" in standard English spelling. Overall, it can be a bit tricky to spell, but knowing the correct pronunciation can help.
There is no widely recognized or established dictionary definition for the term "Mark V Cerney." It appears to be a specific personal name that does not have a general meaning or reference beyond the individual in question. Therefore, a dictionary definition cannot be provided.
It is possible that "Mark V Cerney" refers to a specific person's name, possibly an individual named "Mark V Cerney" himself. However, without any additional context or information, it is difficult to ascertain who this person may be. It is important to note that personal names are unique to individuals and can vary greatly in terms of their associations, professions, or achievements.
If "Mark V Cerney" has a particular significance, context, or is associated with a specific field or area of expertise, that information would need to be provided for a more accurate definition or description.