1. Tilakam (also spelled Tilaka or Tilak): This refers to a mark or spot that is applied to the forehead, often with a paste or powder, as a religious or ceremonial symbol. It's a common practice in Hinduism.
2. Til: This refers to sesame seeds. This meaning is more common in the culinary context.
So, the English meaning of "thilakkam" depends on how it's used in the sentence.