The word "Tussicular" is not a commonly known word, but it refers to something related to coughing. It is pronounced /tʌˈsɪkjʊlər/ and the spelling is derived from the Latin word "tussis" which means cough. The "-icular" suffix is added to show that the word is related to or characteristic of coughing. Although it may not be a frequently used word, it is still important to understand the correct spelling and pronunciation of medical terms to effectively communicate with healthcare professionals.
Tussal.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.