The ornamental design for a ceilingfan, as shown and described.
FIG. 1 is a bottom perspective view of a ceiling fan;
FIG. 2 is a top perspective view of the ceiling fan of FIG. 1;
FIG. 3 is a top view of the ceiling fan of FIG. 1;
FIG. 4 is a bottom view of the ceiling fan of FIG. 1;
FIG. 5 is a front side view of the ceiling fan of FIG. 1;
FIG. 6 is a left side view of the ceiling fan of FIG. 1;
FIG. 7 is a rear side view of the ceiling fan of FIG. 1;
FIG. 8 is a right side view of the ceiling fan of FIG. 1;
FIG. 9 is an enlarged view of a blade iron portion in a side view being shown separately for completeness of illustration of the ceiling fan of FIG. 1, and,
FIG. 10 is an enlarged view of the blade iron portion in a bottom view being shown separately for completeness of illustration of the portion of the ceiling fan of FIG. 1.
Portions of the drawings shown in broken lines form no part of the claimed design.