The spelling of the word "Coldfinch" is represented through the International Phonetic Alphabet as /kəʊldfɪntʃ/. The first syllable "cold" is spelled with the letter "c" and "o" indicating a long "o" sound /kəʊld/. The second syllable "finch" is spelled with the letter "f" and "i" indicating a short "i" sound /fɪntʃ/. The last two letters "ch" represent a voiceless postalveolar affricate sound /ʧ/. The combination of these sounds creates the unique phonetic spelling of the word "Coldfinch".
I apologize, but "Coldfinch" does not appear to have a dictionary definition as it is not a widely recognized term. It is possible that "Coldfinch" could be a proper noun referring to a specific person, place, or thing, but without further context, it is difficult to provide a precise definition. If you could provide additional information or clarify the context in which you are using the term "Coldfinch," I would be happy to assist you further.