mailer

nouns

a person who mails something
mailer
is derived from
mail
is derived from
mail
is a type of (narrower)
a human being
"there was too much for one person to do"
individual, mortal, person, somebody, someone, soul
an advertisement that is sent by mail
mailer
is a type of (narrower)
a public promotion of some product or service
ad, advert, advertisement, advertising, advertizement, advertizing
a container for something to be mailed
mailer
is a type of (narrower)
any object that can be used to hold things (especially a large metal boxlike object of standardized dimensions that can be loaded from one form of transport to another)
container