Wordnet 3.0
NOUN (2)
1. 
 a native or inhabitant of Damascus; 
2. 
 a design produced by inlaying gold or silver into steel; 
VERB (1)
1. 
 inlay metal with gold and silver; 
ADJECTIVE (2)
1. 
 of or relating to or characteristic of Damascus or its people; 
- Example: "damascene city gates"2. 
 (of metals) decorated or inlaid with a wavy pattern of different (especially precious) metals; 
- Example: "a damascened sword"
The Collaborative International Dictionary of English v.0.48:
Damascene \Dam"as*cene\ (d[a^]m"as*s[=e]n), a. [L. Damascenus of
   Damascus, fr. Damascus the city, Gr. Damasko`s. See Damask,
   and cf. Damaskeen, Damaskin, Damson.]
   Of or relating to Damascus.
   [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Damascene \Dam"as*cene\ (d[a^]m"as*s[=e]n), n.
   A kind of plum, now called damson. See Damson.
   [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Damascene \Dam`as*cene"\ (d[a^]m`as*s[=e]n"), v. t.
   Same as Damask, or Damaskeen, v. t. "Damascened armor."
   --Beaconsfield. "Cast and damascened steel." --Ure.
   [1913 Webster]
WordNet (r) 3.0 (2006):
damascene
    adj 1: of or relating to or characteristic of Damascus or its
           people; "damascene city gates"
    2: (of metals) decorated or inlaid with a wavy pattern of
       different (especially precious) metals; "a damascened sword"
    n 1: a native or inhabitant of Damascus
    2: a design produced by inlaying gold or silver into steel
    v 1: inlay metal with gold and silver