Semi Trailer or Tractor Trailer in US terms.

>>Just a thought - Just imagine if we still a 8" floppies and you had to order VS 2012 on them.
>>It would cause a bit of a stir when a semi pulls up to make the delivery.
>
>Pardon the uninitiated, semi-what? Semicircle, semicolon, semiprecious stone, semiquaver, semitone, semiconductor...?