The ornamental design for a ceilingfan, as shown and described.
FIG. 1 is a perspective view of a ceiling fan in accordance with my design;
FIG. 2 is a top plan view of the ceiling fan in accordance with my design;
FIG. 3 is a bottom plan view of the ceiling fan in accordance with my design;
FIG. 4 is a front elevation view of the ceiling fan in accordance with my design;
FIG. 5 is a bottom elevation view of the ceiling fan in accordance with my design;
FIG. 6 is a left side elevation view of the ceiling fan in accordance with my design; and,
FIG. 7 is a right side elevation view of the ceiling fan in accordance with my design.
The broken-line disclosure of elements is understood to represent portions of the article in which the design is embodied, but which form no part of the claimed design.
The long, closely spaced lines in the drawings are contour lines and are not surface ornamentation.