The spelling of the word "Shanker" is quite straightforward. It is pronounced as /ˈʃæŋkər/, with the stress on the first syllable. The "sh" sound at the beginning is followed by the short "a" sound as in "cat". Then comes the "ng" sound, which is made by pressing the back of the tongue against the soft palate. The final syllable is pronounced with the schwa sound, which sounds like the "u" in "butter". Overall, "Shanker" follows the standard English phonetic rules and is quite easy to pronounce.
There is no widely recognized definition of the term "Shanker" in the English language. The word "Shanker" does not exist as a standard English word and, therefore, has no dictionary definition. If you are referring to a different word or if you have made a typographical error, please specify the correct term, and I will be happy to provide you with a definition.