English pronunciation of “whirr”

whirr

uk How to pronounce whirr verb in British English
us How to pronounce whirr verb in American English
uk How to pronounce whirr noun in British English
us How to pronounce whirr noun in American English

(English pronunciations of “whirr” from the Cambridge Advanced Learner’s Dictionary & Thesaurus and from the Cambridge Academic Content Dictionary, both sources © Cambridge University Press)