Definition of "wedgelike"

He looks, he feels, and satisfies himself: the driving forward with fury, its prodigious stiffness, thus impacted, wedgelike, breaks the union of those parts, and gain'd him just the insertion of the tip of it, lip-deep; which being sensible of, he improved his advantage, and following well his stroke, in a straight line, forcibly deepens his penetration

1749, [John Cleland], “(Please specify the letter or volume)”, in Memoirs of a Woman of Pleasure [Fanny Hill], London: […] G. Fenton [i.e., Fenton and Ralph Griffiths] […]