The ornamental design for a miter saw, as shown and described.
FIG. 1 is a front perspective view of a miter saw in accordance with our new design;
FIG. 2 is a rear perspective view of the miter saw in accordance with our new design;
FIG. 3 is a front elevational view of the miter saw in accordance with our new design;
FIG. 4 is a rear elevational view of the miter saw in accordance with our new design;
FIG. 5 is a top plan view of the miter saw in accordance with our new design;
FIG. 6 is a bottom plan view of the miter saw in accordance with our new design;
FIG. 7 is a right side elevational view of the miter saw in accordance with our new design;
FIG. 8 is a left side elevational view of the miter saw in accordance with our new design; and,
FIG. 9 is a rear perspective view showing a state in which a battery is attached to the miter saw in accordance with our new design.
The broken lines showing a battery in FIG. 9 depict the environment of the miter saw and forms no part of the claimed design. All remaining broken lines in the drawings depict portions of the miter saw and forms no part of the claimed design.