ˈkaˌrēn noun
( -s )
Etymology: Carum (genus name of the caraway Carum carvi ) + -ene — more at carum
: either of two liquid bicyclic terpenes C 10 H 16 found especially in some turpentine oils and pine oils and in the oil of an East Indian grass ( Cymbopogon iwarancusa ) and distinguished as 3-(or Δ 3 -)carene and 4-(or Δ 4 -)carene