We don't have synonyms for smoke signals yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are smoke signal.
(n) :
(often pluralized) A method of long-distance communication sometimes used in ancient and undeveloped societies, consisting of messages conveyed by means of columns or intermittent puffs of smoke.
(n) :
A message or sign sent by this method.
(n) :
(idiomatic, often pluralized) An indirect message or indication, especially concerning a future event.
(n) :
A type of flare or combustion device sometimes used as a distress signal.
(n) :
(often pluralized) A method of long-distance communication sometimes used in ancient and undeveloped societies, consisting of messages conveyed by means of columns or intermittent puffs of smoke.
(n) :
A message or sign sent by this method.
(n) :
(idiomatic, often pluralized) An indirect message or indication, especially concerning a future event.
(n) :
A type of flare or combustion device sometimes used as a distress signal.