Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
pinwheel is a noun meaning "perennial subshrub of Tenerife having leaves in rosettes resembling pinwheels". It carries 4 recorded senses.
perennial subshrub of Tenerife having leaves in rosettes resembling pinwheels
a wheel that has numerous pins that are set at right angles to its rim
“he spun the pinwheel and it stopped with the pointer on `Go'”
a toy consisting of vanes of colored paper or plastic that is pinned to a stick and spins when it is pointed into the wind
a circular firework that spins round and round emitting colored fire
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for pinwheel come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.