Source : Webster's Revised Unabridged Dictionary (1913)

Aslant \A*slant"\, adv. & a. [Pref. a- + slant.]
   Toward one side; in a slanting direction; obliquely.

         [The shaft] drove through his neck aslant. --Dryden.

Aslant \A*slant"\, prep.
   In a slanting direction over; athwart.

         There is a willow grows aslant a brook.  --Shak.

Source : WordNet®

aslant
     adj : having an oblique or slanted direction [syn: {aslope}, {diagonal},
            {slanted}, {slanting}, {sloped}, {sloping}]
     adv 1: over or across in a slanting direction
     2: at an oblique angle; "the sun shone aslant into his face"
        [syn: {obliquely}, {athwart}]