Correct spelling for the English word "am ones case" is [am wˈɒnz kˈe͡ɪs], [am wˈɒnz kˈeɪs], [a_m w_ˈɒ_n_z k_ˈeɪ_s] (IPA phonetic alphabet).
There seems to be a lack of clarity regarding the term "am ones case." It does not appear to be a commonly recognized phrase or expression in the English language. Hence, providing a dictionary definition of this specific term is challenging. It is possible that "am ones case" is a typo or an incomplete phrase.
However, based on similar-sounding terms, we can speculate about potential meanings. "Am one's case" could refer to being responsible for presenting or arguing a particular legal or professional case as a designated representative. In this context, "am" could be a contracted form of "I am," indicating personal involvement or responsibility. The phrase might imply someone taking on the role of being the primary advocate or representative of a legal matter.
Without further context or information, it is difficult to confidently define or provide a precise dictionary definition for "am ones case." It is always essential to consider the specific context and usage of a term or phrase to determine its true meaning.