I. Cath ‧ er ‧ ine wheel /ˈkæθ ə rən wiːl, ˈkæθ ə rɪn wiːl/ BrE AmE British English , pinwheel American English noun [countable]
[ Date: 1700-1800 ; Origin: Saint Catherine of Alexandria (4th century), who was sentenced to be killed on a wheel ]
a round flat ↑ firework that spins around as it burns
II. pin ‧ wheel /ˈpɪnwiːl/ BrE AmE noun [countable]
American English a toy consisting of a stick with curved pieces of plastic at the end which turn around when they are blown SYN windmill British English