citronella

/S IH0 T R AA0 N EH1 L AH0/
noun
  1. 1

    A tropical Asian grass, Cymbopogon nardus, that has citrus-scented leaves.

  2. 2

    An essential oil obtained from this plant, often used as an insect repellent.

Source: https://en.wiktionary.org/wiki/citronella