For chopping, the chef uses a crescent blade that just fits into a curved wooden bowl.
Advanced English Dictionary
+noun 1[C] a curved shape that is wide in the middle and pointed at each end: a crescent moon 2[C] (often used in street names) a curved street with a row of houses on it: I live at 7 Park Crescent. + the city of Bath, with its elegant squares and crescents 3 (the Crescent) [sing.] the curved shape that is used as a symbol of Islam See also-THE RED CRESCENT
Random quote: Be sure you put your feet in the right place, then stand firm.: Abraham Lincoln