streamlined

a streamlined enclosure for an aircraft engine

n aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers

a streamlined train

any of the larger cetacean mammals having a streamlined body and breathing through a blowhole on the head v

impressive in size or qualities n any of the larger cetacean mammals having a streamlined body and breathing through a blowhole on the head v hunt for whales