NOUN (1)

1. two (or more) slices of bread with a filling between them;


VERB (2)

1. make into a sandwich;

2. insert or squeeze tightly between two people or objects;
- Example: "She was sandwiched in her airplane seat between two fat men"

The Collaborative International Dictionary of English v.0.48:

Sandwich \Sand"wich\ (?; 277), n. [Named from the Earl of
   Sandwich.]
   Two pieces of bread and butter with a thin slice of meat,
   cheese, or the like, between them.
   [1913 Webster]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Sandwich \Sand"wich\, v. t. [imp. & p. p. Sandwiched; p. pr. &
   vb. n. Sandwiching.]
   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.
   [1913 Webster]

WordNet (r) 3.0 (2006):

sandwich
    n 1: two (or more) slices of bread with a filling between them
    v 1: make into a sandwich
    2: insert or squeeze tightly between two people or objects; "She
       was sandwiched in her airplane seat between two fat men"