Answer:

toc

Answer	Crossword Clue
TOC	Bit of front matter: Abbr.
TOC	List of what's in a book (abbr.)
TOC	List of chaps.

TOC	Front-of-bk. list
TOC	Rap: Fr.
TOC	Couperin's "Tic-...-choc"
TOC	Couperin's "Le Tic-...-choc"
TOC	Tic-... (metronome sound)
TOC	List in a book's front: Abbr.
TOC	It has a lot of chapters: Abbr.
TOC	Eminem's "Ricky Ticky ..."

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.