The ornamental design for a ceilinglamp, as shown and described.
FIG. 1 is a perspective view of my new ceiling lamp;
FIG. 2 is a front elevational view of my new ceiling lamp;
FIG. 3 is a rear elevational view of my new ceiling lamp, opposite that of FIG. 2;
FIG. 4 is a side elevational view of my new ceiling lamp;
FIG. 5 is another side elevational view of my new ceiling lamp from a side opposite that of FIG. 4;
FIG. 6 is a top view of my new ceiling lamp; and,
FIG. 7 is a bottom view of my new ceiling lamp.
The broken line showing of portions of the ceiling lamp in the figures is included for the purpose of illustrating environmental structure and forms no part of the claimed design.