Senses
贺函/ 賀函 congratulatory letter
· a formal letter written to express congratulations
总统向新当选的总理发去了贺函。
贺函/ 賀函 greeting card
· a card or letter sent to convey greetings or congratulations, such as for the New Year
每逢新年，他都会给亲友寄送贺函。
References
No references for this word.