The ornamental design for a circularknife, as shown and described.
FIG. 1 is a top plan view of a circular knife;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a right-side view thereof, the left-side view being a mirror image thereof;
FIG. 5 is a rear elevational view thereof; and,
FIG. 6 is an isometric view thereof.
The broken lines are for environmental purposes only and form no part of the claimed design.
The claimed circular knife is used to cut and/or peel food, especially fruits and vegetables; and can also remove food cores and central columns of oranges, lemons, apples, etc.