Definition of sentinel:
(n) :
a
sentry or
guard; a unique phrase of characters (a
string), used to mark a document for processing by a computer program, also called a keyword. For example, an
HTML tag such as '<table>' is a form of sentinel as its a unique phrase that is non-reaccuring in the english language. However the use of '<' and 'table' do occur in english but not in this form, so '<table>' is a relatively good sentinel phrase
(v) :
to watch over something as a guard
Definition of sentinel:
(n) :
a
sentry or
guard; a unique phrase of characters (a
string), used to mark a document for processing by a computer program, also called a keyword. For example, an
HTML tag such as '<table>' is a form of sentinel as its a unique phrase that is non-reaccuring in the english language. However the use of '<' and 'table' do occur in english but not in this form, so '<table>' is a relatively good sentinel phrase
(v) :
to watch over something as a guard