The answer was a blank which Rosamond could only fill up with dread, for Will Ladislaw’s lacerating words had made every thought of Dorothea a fresh smart to her.
The presence of a new gloom in her husband, about which he was entirely reserved towards her—for he dreaded to expose his lacerated feeling to her neutrality and misconception—soon received a painfully strange explanation, alien to all her previous notions of what could affect her happiness.
There are no more uses of "laceration" in the book.
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To treat a minor laceration, clean the cut and close it.
If tetanus shots are not up-to-date, it might be wise to get one after any laceration.