mail out Meaning to mail copies of something like a catalog or a CV to many people Synonym send out For example mail out sth Every year we mail out our sales catalog to over 100,000 customers mail sth out The telephone company mails their bills out at the end of each month. ━━━━━━━━━━━ #Phrasal_Verb_of_the_Day @EnglishoftheDay 4.4K views08:29