[1] : The Collaborative International Dictionary of English v.0.48

syn- \syn-\ gr. sy`n with.
   a prefix meaning with, along with, together, at the same
   time. syn- becomes sym- before p, b, and m, and syl- before
   l.
   1913 webster synacme

[2] : The Collaborative International Dictionary of English v.0.48

trace \trace\, n. f. trace. see trace, v. t. 
   1. a mark left by anything passing; a track; a path; a
      course; a footprint; a vestige; as, the trace of a
      carriage or sled; the trace of a deer; a sinuous trace.
      --milton.
      1913 webster

   2. chem.  min. a very small quantity of an element or
      compound in a given substance, especially when so small
      that the amount is not quantitatively determined in an
      analysis; -- hence, in stating an analysis, often
      contracted to tr.
      1913 webster

   3. a mark, impression, or visible appearance of anything left
      when the thing itself no longer exists; remains; token;
      vestige.
      1913 webster

            the shady empire shall retain no trace
            of war or blood, but in the sylvan chase. --pope.
      1913 webster

   4. descriptive geom.  persp. the intersection of a plane
      of projection, or an original plane, with a coordinate
      plane.
      1913 webster

   5. fort. the ground plan of a work or works.
      1913 webster

   syn.-vestige; mark; token. see vestige.
      1913 webster
see also:
trace syn vestige 

[3] : The Collaborative International Dictionary of English v.0.48

calumniate \calum"niate\, v. i. imp.  p. p. calumniated;
   p. pr.  vb. n. calumniating. l. calumniatus, p. p. of
   calumniari. see calumny, and cf. challenge, v. t.
   to accuse falsely and maliciously of a crime or offense, or
   of something disreputable; to slander; to libel.
   1913 webster

         hatred unto the truth did always falsely report and
         calumniate all godly men's doings.       --strype.
   1913 webster

   syn. -- to asperse; slander; defame; vilify; traduce;
      belie; bespatter; blacken; libel. see asperse.
      1913 webster
see also:
calumniated calumniating calumny challenge syn asperse 

[4] : The Collaborative International Dictionary of English v.0.48

citadel \cit"adel\, n. f. citadelle, it. citadella, di?. of
   citt? city, fr. l. civitas. see city.
   a fortress in or near a fortified city, commanding the city
   and fortifications, and intended as a final point of defense.
   1913 webster

   syn. -- stronghold. see fortress.
      1913 webster
see also:
city syn fortress 

[5] : The Free On-line Dictionary of Computing (27 SEP 03)

syn
     
        1.  synchronous idle.
     
        2.  a syntactic specification language for cops.
     
        "metalanguages of the compiler production system cops",
        j. borowiec, in gi fachgesprach "compiler-compiler", ed
        w. henhapl, tech hochs darmstadt 1978, pp. 122-159.
     
        3. tcp/ip syn request?
     
        1996-04-17
     
     
see also:
synchronous idle cops 

Syn- >> S Words
Syn-, definition of term: Syn-
syn-_pag1.html