The ornamental design for a chairarm, as shown and described.
FIG. 1 is a perspective view showing the top, left side and front of a chair arm which forms our new design, the broken lines showing other parts of a chair being for illustrative purposes only and forming no part of our design;
FIG. 2 is an enlarged top plan view thereof;
FIG. 3 is an enlarged front elevational view thereof;
FIG. 4 is an enlarged left side elevational view thereof;
FIG. 5 is an enlarged right side elevational view thereof;
FIG. 6 is an enlarged rear elevational view thereof;
FIG. 7 is an enlarged bottom view thereof; and,
FIG. 8 is an enlarged perspective view showing the front, left side and top threof.
The short, broken lines in FIGS. 1–6 and 8 are understood to represent stitching.