What is the meaning of Rosta?

to roast

feminine singular of rost

fried bacon

fried bread

rillettes

masculine singular present transgressive of růst

riddle, sifter, sieve (a device to separate larger objects from smaller objects)

screening (the process of filtering out the less acceptable quality from something)

a bundle of twigs used as a fan (especially to drive away flies)

a tangle of foliage that hinders the way

inflection of rostir:

  1. first/third-person singular present subjunctive
  2. third-person singular imperative

first/third-person singular present subjunctive

third-person singular imperative

to rust

to heat without fat or water; to roast, to toast

sluice, weir (or similar artificial canal etc.)

Source: wiktionary.org