"Sleeter" is probably misspelled. Trying sleet instead Definition of sleet
sleeter
1. [ verb ] precipitate as a mixture of rain and snow
Examples:

"If the temperature rises above freezing, it will probably sleet."

Related terms: precipitate
2. [ noun ] (meteorology) partially melted snow (or a mixture of rain and snow)
Related terms: precipitation
Similar spelling:   Slyter
  Sliter
  slater
  sledder
  Slatter
  Slattery
  slattern
  slatternly
  slate_roof
  Sluder
  slider
  slither
  slather
  slithery