The ornamental design for an exteriorlight, as shown and described.
FIG. 1 is a top perspective view of the exterior light showing the new design;
FIG. 2 is a side elevation view thereof, with all side elevation views being identical;
FIG. 3 is a cross-sectional view thereof, taken along the line 3-3 in FIG. 4;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is another perspective view of the exterior light of FIG. 1 showing alternative environmental features in broken lines, with the side and cross-sectional views being the same as FIGS. 2 and 3, respectively; and,
FIG. 7 is a top plan view of FIG. 6.
The broken lines shown on the drawings depict environmental structures that form no part of the claimed design.