sandwich

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Two or more slices of bread with a filling such as meat or cheese placed between them.
2. n. A partly split long or round roll containing a filling.
3. n. One slice of bread covered with a filling.
4. n. Something resembling a sandwich.
5. v. To make into or as if into a sandwich.
6. v. To insert (one thing) tightly between two other things of differing character or quality.
7. v. To make room or time for: sandwiched a vacation between business trips.

Century Dictionary and Cyclopedia

1. n. Two thin slices of bread, plain or buttered, with some savory article of food, as sliced or potted meat, fish, or fowl, placed between: as, a ham sandwich; a cheese sandwich.
2. n. Hence Anything resembling or suggesting a sandwich; something placed between two other like things, as a man carrying two advertising-boards, one before and one behind.
3. To make into a sandwich or something of like arrangement; insert between two other things: as, to sandwich a slice of ham between two slices of bread; to sandwich a picture between two pieces of pasteboard.

Wiktionary

1. n. A snack formed of various ingredients between two slices of bread
2. n. Any combination formed by layering material of one type between two layers of material of another type
3. v. To place one item between two other, usually flat, items
4. v. To put or set something between two others, in time.
5. adj. Of a meal or serving size that is smaller than a dinner.

GNU Webster's 1913

1. n. Two pieces of bread and butter with a thin slice of meat, cheese, or the like, between them.
2. v. To make into a sandwich; also, figuratively, to insert between portions of something dissimilar; to form of alternate parts or things, or alternating layers of a different nature; to interlard.

WordNet 3.0

1. n. two (or more) slices of bread with a filling between them
2. v. insert or squeeze tightly between two people or objects
3. v. make into a sandwich