- any of several large, totipalmate, fish-eating birds of the family Pelecanidae, having a large bill with a distensible pouch.
- a still or retort with two tubes that leave the body from the neck, curve in opposite directions, and reenter the body through the belly.
- any aquatic bird of the tropical and warm water family Pelecanidae, such as P. onocrotalus (white pelican): order Pelecaniformes. They have a long straight flattened bill, with a distensible pouch for engulfing fish