The spelling of the word "CTLNK" may seem odd at first glance, but it can be easily explained using International Phonetic Alphabet (IPA) transcription. The letters "C" and "T" represent the sounds /k/ and /t/, respectively, while the letter "L" indicates the sound /l/. The letter "N" represents the sound /ŋ/, as in the end of "sing". Finally, the letter "K" denotes the sound /k/. Thus, "CTLNK" can be pronounced as /kət-ləŋk/.
CTLNK is not a widely recognized term, and therefore, there is no dictionary definition available. It is possible that CTLNK might be an acronym or abbreviation specific to a certain field or industry, which isn't commonly used or recognized outside that context. If you provide more information or context about the term, I can try to help you further.