Search Result for "bridgehead": 
Wordnet 3.0

NOUN (2)

1. an area in hostile territory that has been captured and is held awaiting further troops and supplies;
- Example: "an attempt to secure a bridgehead behind enemy lines"
- Example: "the only foothold left for British troops in Europe was Gibraltar"
[syn: bridgehead, foothold]

2. a defensive post at the end of a bridge nearest to the enemy; 



The Collaborative International Dictionary of English v.0.48:

Bridgehead \Bridge"head`\, n.
   A fortification commanding the extremity of a bridge nearest
   the enemy, to insure the preservation and usefulness of the
   bridge, and prevent the enemy from crossing; a
   t[^e]te-de-pont.
   [1913 Webster]


WordNet (r) 3.0 (2006):

bridgehead
    n 1: an area in hostile territory that has been captured and is
         held awaiting further troops and supplies; "an attempt to
         secure a bridgehead behind enemy lines"; "the only foothold
         left for British troops in Europe was Gibraltar" [syn:
         bridgehead, foothold]
    2: a defensive post at the end of a bridge nearest to the enemy