postman

As a letter s

is the letter s with a.

As a noun postman is

(chiefly|british) someone (implied male) who delivers the post (mail) to, and/or collects the post from, residential or commercial addresses, or from public mailboxes.

As a noun postman

is (chiefly|british) someone (implied male) who delivers the post (mail) to, and/or collects the post from, residential or commercial addresses, or from public mailboxes.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As a noun postman

is (chiefly|british) someone (implied male) who delivers the post (mail) to, and/or collects the post from, residential or commercial addresses, or from public mailboxes.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between postman and smartphone

is that postman is (chiefly|british) someone (implied male) who delivers the post (mail) to, and/or collects the post from, residential or commercial addresses, or from public mailboxes while smartphone is smartphone.

As nouns the difference between postman and fiddler

is that postman is someone (implied male) who delivers the post (mail) to, and/or collects the post from, residential or commercial addresses, or from public mailboxes while fiddler is one who plays the fiddle.

As nouns the difference between courier and postman

is that courier is a person who looks after and guides tourists while postman is someone (implied male) who delivers the post (mail) to, and/or collects the post from, residential or commercial addresses, or from public mailboxes.

As a verb courier

is to deliver by courier.

As a proper noun Courier

is a monospace font that resembles the characters produced by a typewriter.

As nouns the difference between postman and letterbox

is that postman is someone (implied male) who delivers the post (mail) to, and/or collects the post from, residential or commercial addresses, or from public mailboxes while letterbox is a collection point for mail intended for onward delivery, a secure box or receptacle for this purpose.

As an adjective letterbox is

transferred to home video formats while preserving the original aspect ratio, having black bars above and below the picture area.

As a verb letterbox is

to transfer a widescreen motion picture to home video formats while preserving the original aspect ratio, with the placing of black bars above and below the picture area.

As nouns the difference between father and postman

is that father is a (generally human) male who begets a child while postman is someone (implied male) who delivers the post (mail) to, and/or collects the post from, residential or commercial addresses, or from public mailboxes.

As a verb father

is to be a father to; to sire.

As a proper noun Father

is god, the father of Creation.