[syn: password, watchword, word, parole, countersign]
The Collaborative International Dictionary of English v.0.48:
Watchword \Watch"word`\, n.
1. A word given to sentinels, and to such as have occasion to
visit the guards, used as a signal by which a friend is
known from an enemy, or a person who has a right to pass
the watch from one who has not; a countersign; a password.
[1913 Webster]
2. A sentiment or motto; esp., one used as a rallying cry or
a signal for action.
[1913 Webster]
Nor deal in watchwords overmuch. --Tennyson.
[1913 Webster]
WordNet (r) 3.0 (2006):
watchword
n 1: a slogan used to rally support for a cause; "a cry to
arms"; "our watchword will be `democracy'" [syn: war cry,
rallying cry, battle cry, cry, watchword]
2: a secret word or phrase known only to a restricted group; "he
forgot the password" [syn: password, watchword, word,
parole, countersign]