To place one item physically between two other, usually flat, items. / (figuratively) To put or set something between two others, in time. / (sex) To double penetrate / To feed sandwiches.

(US) Of a meal or serving size that is smaller than a dinner.

Used other than figuratively or idiomatically: see jam, sandwich. / (Britain, slang) (from the common UK colour scheme of white with a red reflective horizontal band) A police car.

(mineralogy, archaic) Realgar; red sulphide of arsenic.

A sculpture made of sand and resembling a miniature castle; typically, but not always, made for fun by a child on a beach.

Covered with sand. / Sprinkled with sand. / Containing sand. / Like sand, especially in texture. / Having the colour of sand.

(informal) A sandwich / (informal) Ellipsis of pecan sandy.

A sedimentary rock produced by the consolidation and compaction of sand, cemented with clay etc.

A person-sized, wearable billboard or advertisement consisting of two printed boards strung together so that they hang over the shoulders, or simply set out on a street.

To advertise or campaign using a sandwich board; to wear a sandwich board.