A melody. / A song, or short musical composition. / (informal) The act of tuning or maintenance. / The state or condition of being correctly tuned. / (obsolete) Temper; frame of mind.

present participle of treadle

So hot as to seem to burn (something). / Feeling very hot. / Feeling great passion. / Consuming; intense; inflaming; exciting; vehement; powerful. / Being keenly discussed. / On fire.

plural of cossist