a semitrailer and the tractor (sense ) to which it is attached
Origin of semifrom semi(trailer)
- half: semicircle
- partly, not fully, imperfectly: semicivilized
- twice in a (specified period): semicentennial
Origin of semi-Classical Latin from Indo-European an unverified form semi- from source Classical Greek h?mi-, Sanskrit s?mi-, Old English s?m-
nounpl. sem·is Informal
- a. A semitrailer.b. A tractor-trailer.
- A semifinal.
- A semiformal dance.
- Half: semicircle.
- Partial; partially: semiconscious.
- Resembling or having some of the characteristics of: semiofficial.
- Occurring twice during: semimonthly. See Usage Note at bi-1.
Origin of semi-Middle English from Latin sēmi- half ; see sēmi- in Indo-European roots.
The prefix semi- (from Latin) used as a noun.
From Latin semi- (“half").