Beluga (noun)

1. A small, white-colored whale found primarily in Arctic and sub-Arctic waters.
2. The caviar of the beluga whale, highly prized as a delicacy.

Origin:

From russian белу́га (belúga, "white whale"), from белый (belýj, "whit.e")

Examples:

1. The beluga is a small whale that can be found in the Arctic and sub-Arctic regions.
2. The beluga whale is known for its distinctive white color and round head.
3. He watched the beluga whales swimming in the ocean.
4. Beluga caviar is considered a delicacy and is often served at high-end restaurants.
5. The beluga whale population is considered endangered and is protected by international law.