From WordNet (r) 3.0 (2006) [wn]:
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
From The Collaborative International Dictionary of English v.0.48 [gcide]:
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]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
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]