NOUN (1)

1. an alloy (usually of lead and tin) used when melted to join two metal surfaces;


VERB (1)

1. join or fuse with solder;
- Example: "solder these two pipes together"

The Collaborative International Dictionary of English v.0.48:

Solder \Sol"der\, v. t. [imp. & p. p. Soldered; p. pr. & vb.
   n. Soldering.] [Formerlysoder. See Solder, n.]
   1. To unite (metallic surfaces or edges) by the intervention
      of a more fusible metal or metallic alloy applied when
      melted; to join by means of metallic cement.
      [1913 Webster]

   2. To mend; to patch up. "To solder up a broken cause."
      --Hooker.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Solder \Sol"der\, n. [Formerly soder; F. soudure, OF. soudeure,
   fr. OF. & F. souder to solder, L. solidare to fasten, to make
   solid. See Solid, and cf. Sawder.]
   A metal or metallic alloy used when melted for uniting
   adjacent metallic edges or surfaces; a metallic cement.
   Hence, anything which unites or cements.
   [1913 Webster]

   Hard solder, a solder which fuses only at a red heat, as
      one composed of zinc and copper, or silver and copper,
      etc.

   Soft solder, a solder fusible at comparatively low
      temperatures; as, plumbers' solder, consisting of two
      parts lead and one part tin, is a soft solder.
      [1913 Webster]

WordNet (r) 3.0 (2006):

solder
    n 1: an alloy (usually of lead and tin) used when melted to join
         two metal surfaces
    v 1: join or fuse with solder; "solder these two pipes together"

Moby Thesaurus II by Grady Ward, 1.0:

98 Moby Thesaurus words for "solder":
   accouple, accumulate, agglutinate, amass, articulate, assemble,
   associate, band, bind, blaze, blister, bond, bracket, brand, braze,
   bridge, bridge over, burn, burn in, burn off, carve, cast,
   cauterize, cement, chain, char, chase, chisel, clap together, coal,
   collect, combine, comprise, concatenate, conglobulate, conjoin,
   conjugate, connect, copulate, couple, cover, crack, cupel, cut,
   embrace, encompass, engrave, flame, found, fuse, gather, glue,
   grave, gum, include, insculpture, join, knot, lay together, league,
   link, lump together, marry, marshal, mass, merge, mobilize, model,
   mold, oxidate, oxidize, pair, parch, paste, piece together,
   put together, pyrolyze, roll into one, scorch, sculp, sculpt,
   sculpture, sear, singe, span, splice, stick together, swinge,
   take in, tape, tie, torrefy, unify, unite, vesicate, vulcanize,
   weld, yoke