What is to enter slightly or cursorily; to engage one's self desultorily or by the way; to partake limitedly; -- followed by in or into. "Dipped into a multitude of books." Macaulay called?

dip — To enter slightly or cursorily; to engage one's self desultorily or by the way; to partake limitedly; -- followed by in or into. "Dipped into a multitude of books." Macaulay. (Webster's 1913.)

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