Said of an aircraft: to make a series of plunges when taking off or landing; or of a watercraft: to successively plunge up and down in the water.
Said of an air-breathing aquatic animal such as a porpoise or penguin: To repeatedly jump out of the water to take a breath and dive back in a continuous motion.
Any small dolphin.
A small cetacean of the family Phocoenidae, related to dolphins and whales.
To inflate with air.
To swell due to injury or illness.
To become proud. (Often written as puffed up with pride.)
To fluff up, such as an animal raising its fur or feathers to appear larger or conserve body heat.