Definitions

1. noun

an extinct suborder of large whales, including blue whales and humpback whales, characterized by a narrow lower jaw and a pair of small teeth in the upper jaw.

“The fossil of a mysticete was discovered in the coastal area, providing valuable information about the evolution of whales.”

2. noun

any member of the suborder Mysticeti, including modern whales such as blue whales and humpback whales.

“Mysticetes are known for their complex vocalizations and social behaviors.”