NOUN (2)

1. an outline of a solid object (as cast by its shadow);

2. a drawing of the outline of an object; filled in with some uniform color;


VERB (2)

1. project on a background, such as a screen, like a silhouette;

2. represent by a silhouette;

The Collaborative International Dictionary of English v.0.48:

Silhouette \Sil`hou*ette"\, n. [F.; -- so called from Etienne de
   Silhoutte, a French minister of finance in 1759, whise
   diversion it was to make such portraits on the walls of his
   apartments.]
   A representation of the outlines of an object filled in with
   a black color; a profile portrait in black, such as a shadow
   appears to be.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Silhouette \Sil`hou*ette"\, v. t.
   To represent by a silhouette; to project upon a background,
   so as to be like a silhouette. [Recent]
   [1913 Webster]

         A flock of roasting vultures silhouetted on the sky.
                                                  --The Century.
   [1913 Webster]

WordNet (r) 3.0 (2006):

silhouette
    n 1: an outline of a solid object (as cast by its shadow)
    2: a drawing of the outline of an object; filled in with some
       uniform color
    v 1: project on a background, such as a screen, like a
         silhouette
    2: represent by a silhouette

Moby Thesaurus II by Grady Ward, 1.0:

73 Moby Thesaurus words for "silhouette":
   adumbration, black and white, broad lines, brouillon, cartoon,
   charcoal, charcoal drawing, chiaroscuro, configuration, contour,
   crayon, dark shade, delineate, delineation, design, diagram,
   doodle, draft, drawing, ebauche, echo, esquisse, features,
   figuration, figure, framework, galbe, gestalt, gloom, graph, head,
   limn, line, line drawing, lineaments, lineation, lines,
   main features, mere shadow, miniature, outline, pastel,
   pen-and-ink, pencil drawing, penumbra, portrait, portraiture,
   portrayal, profile, reflection, reflex, relief, rough copy,
   rough draft, rough outline, shade, shadiness, shadow,
   shadows numberless, shapes, silver-print drawing, sinopia,
   skeleton, sketch, skiagram, skiagraph, study, tournure, tracing,
   umbra, umbrage, umbrageousness, vignette