The crossword solutions for the term 'Target Penicillin' are 'Strep'. Strep is an abbreviation for Streptococcus, a genus of Gram-positive bacteria. Streptococcus bacteria are responsible for a wide range of illnesses, including strep throat, scarlet fever, and pneumonia. Penicillin is an antibiotic that is used to treat infections caused by Streptococcus bacteria. Therefore, the term 'Target Penicillin' refers to the use of penicillin to target and treat infections caused by Streptococcus bacteria.