Question 1

What does the cryptic crossword clue "Informal address given by pioneer of bacteriology to an audience (4)" mean?

Accepted Answer

The definition is "Informal address". The wordplay uses a homophone (sounds like). Homophone [ to an audience ] of (Robert) KOCH ("pioneer of bacteriology") The answer is COCK.

Question 2

What is the answer to "Informal address given by pioneer of bacteriology to an audience (4)"?

Accepted Answer

The answer is COCK.