長ちょう点てんMeanings1noundash (in Morse code)Refers specifically to the long signal in Morse code, often contrasted with 短点 (dot).See also: 短点モールス信しん号ごうでは、長ちょう点てんと短たん点てんを組くみ合あわせて文も字じを表あらわす。In Morse code, dashes and dots are combined to represent letters.