Buster is part of the problem-solving group known as the Super Sleuths along with Darby, Pooh and Tigger. Though oftentimes he seems to be only tagging along, his nose and his curiosity have proven an asset in many of the groups' cases. Darby also loves him as a loyal companion who is fun to play with.
Noun[edit] mailman â(plural mailmen) ( 1 US) someone (implied male) who delivers mail to, and/or collects mail from, residential or commercial addresses, or from public mailboxes.  The gender-neutral letter carrier is sometimes preferred.
First-class postage is a type of mail which indicates the level of service a package or letter is supposed to receive from a postal service. Most folks in the US think that all mail is sent first-class and that the label is a kind of misnomer. Thatâs because most consumer-facing mail is sent this way.