whistle post
English
Noun
whistle
post
(
plural
whistle posts
)
(
railways
)
A
sign
marking a
location
where a
locomotive
engineer
is required to
sound
the
horn
or
whistle
.
Synonym:
whistle board
Anagrams
postwhistle
,
whistle stop
,
whistle-stop
,
whistlestop