Dictionary
hm
abbreviation
Definition of HM
hectometer
ADVERTISEMENT
HM
abbreviation
Definition of HM
Her Majesty; Her Majesty's; His Majesty; His Majesty's
See HM defined for English-language learners
Browse
ADVERTISEMENT
Seen & Heard
What made you want to look up hm? Please tell us where you read or heard it (including the quote, if possible).