ˈkath(ə)rə̇n- noun
Usage: often capitalized C
Etymology: after St. Catherine of Alexandria died ab 307 Christian martyr; from the attempt made to torture her on a spiked wheel
1.
a. also catharine wheel : a wheel with spikes projecting from the rim
b. : a representation of such a wheel used especially in heraldry
2. : wheel window
3. : pinwheel 2b
4. : cartwheel 2a