What is the English meaning of Svetcha ?

The most likely English meaning of Svetcha is “candle” or “wax candle” when it comes from Slavic usage, and in some contexts it can also mean a spark plug or a medical suppository. Wiktionary lists svecha as a spark plug in automotive use, while related Slavic forms are used for candle-like meanings.

Common meanings

• Candle : the everyday meaning in several Slavic languages.

• Spark plug : in automotive wording.

• Suppository : in medical usage.

Practical note

If you saw Svetcha in a medicine context, it likely means suppository ; if you saw it in a normal household context, it most likely means candle.

TL;DR

Svetcha = candle , most commonly, with other context-based meanings like spark plug or suppository.