Answer: ALLITERATION

Alliteration is the repetition of the same consonant sound at the beginning of multiple words in a sentence or phrase. It is often used to create rhythm and enhance the musical quality of language. In the context of "Peter Pan" and "Black Beauty," alliteration could refer to the presence of repeated consonant sounds in the names of characters or in certain phrases throughout the texts.

Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: Feature of "Peter Pan" and "Black Beauty". Explanations are generated by AI and may be inaccurate.