- ras⇄ras (1), noun.
1. a headland, promontory, or cape (used in many place names on the Arabian and African coasts).
2. a prince, governor, or chief in Ethiopia. - ras⇄ras (2), noun.
any one of a group of genes that are normally present in human, animal, and yeast cells but can cause cancer under certain conditions.
Ex. Normal noncancer-forming versions of ras genes play a key role in the cell's production a