The ornamental design for a meattenderizer, as shown and described.
FIG. 1 is a front elevational view of a meat tenderizer showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a side elevational view thereof, the opposite side being a mirror image;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom view thereof; and,
FIG. 6 is a front devotional view of an alternate embodiment wherein the base cover is opaque, as opposed to being transparent.
The portions shown in dashed lines form no part of the claimed design; the top, bottom, rear and side views of the alternate embodiment are identical to the corresponding views of the first embodiment, with the base cover being opaque, however.