n. & v.
n. 1 a representation of a person or thing showing the outline only, usu. done in solid black on white or cut from paper. 2 the dark shadow or outline of a person or thing against a lighter background.
v.tr. represent or (usu. in passive) show in silhouette. in silhouette seen or placed in outline.
[ tienne de Silhouette, Fr. author and politician d. 1767 ]