adv. & a. [ Pref. a- + slant. ] Toward one side; in a slanting direction; obliquely. [ 1913 Webster ]
[ The shaft ] drove through his neck aslant. Dryden. [ 1913 Webster ]
prep. In a slanting direction over; athwart. [ 1913 Webster ]
There is a willow grows aslant a brook. Shak. [ 1913 Webster ]