The ornamental design for a ceilinglight, as shown and described.
1. Ceiling light
FIG. 1.1 is a perspective view of the design; FIG. 1.2 is a front view thereof; FIG. 1.3 is a rear view thereof; FIG. 1.4 is a left view thereof; FIG. 1.5 is a right view thereof; FIG. 1.6 is a top view thereof; FIG. 1.7 is a bottom view thereof. The design is a ceiling light consisting of a support body and four cylindrical bodies; each cylindrical body extends along a vertical axis; each cylindrical wall has an opaque portion and translucent portion; the opaque portions are joined to the support body; each cylindrical body houses a LED light source; The broken lines in the drawings illustrate portions of the ceiling light which forms no part of the claimed design.