from The American Heritage® Dictionary of the English Language, 4th Edition
- Half: semicircle.
- Partial; partially: semiconscious.
- Resembling or having some of the characteristics of: semiofficial.
- Occurring twice during: semimonthly. See Usage Note at bi-1.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- partial, incomplete
- somewhat, rather, quasi-
from the GNU version of the Collaborative International Dictionary of English
- A prefix signifying half, and sometimes partly or imperfectly.
from The Century Dictionary and Cyclopedia
- A prefix of Latin origin, meaning ‘half’: much used in English in the literal sense, and, more loosely, to mean ‘in part, partly, almost, largely, imperfectly, incompletely.’
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a trailer having wheels only in the rear; the front is supported by the towing vehicle
- n. a truck consisting of a tractor and trailer together
- n. one of the two competitions in the next to the last round of an elimination tournament
Middle English, from Latin sēmi-, half; see sēmi- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin semi- ("half"). (Wiktionary)