To read (a book, etc.) letter by letter; to peruse, or make out, slowly or with difficulty.

transitive. To read (a book, a passage, an author) with close attention.

intransitive. To pore carefully over a book.

transitive. With out. To read carefully or with effort, passing the finger along the lines. Obsolete.

To read (something) syllable by syllable; to read in detail or with close attention; to spell out. rare.