Signum, R. A general term for any kind of sign or mark by which anything can be recognized; such as an image or figure, the intaglio on a ring, the sign of a shop, or a military standard or ensign (signa militaria), as represented in Fig. [665].

Fig. 613. Wall of Silex.

Silex, R. In general a flint or flint-stone, and thence, by extension, any kind of hard stone hewn into polygonal blocks, as shown in Fig. [613].

Silhouette, Fr. A profile portrait, or representation of the shape contained in the outline of an object, with no attempt to fill in the parts.

Silicernium, Gr. and R. A funeral feast in honour of the dead.

Silicious Wares. (See Pottery.)

Sill or Cill of a window or door. The Limen Inferius (q.v.).

Fig. 614. Silver-gilt dish and ewer; the property of St. John’s College, Cambridge. (Work of the late 17th century.)