puffer

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun One that puffs.
• noun A quilted, fitted jacket filled with down or other material for warmth.

from The Century Dictionary.

• noun One who puffs; one who praises with exaggerated and interested commendation.
• noun One who attends a sale by auction for the purpose of raising the price and exciting the eagerness of bidders to the advantage of the seller. Also called bonnet and whitebonnet.
• noun A fish that swells or puffs up; specifically, any member of either of the plectognath families Tetrodontidæ and Diodontidæ, all of whose species, some eighty in number, have the habit of inflating themselves with air which they swallow; a swell-fish or globe-fish; a blower.
• noun A porpoise or puffing-pig.
• noun In weaving, a vat in which linen and cotton cloth is cleansed by boiling; a bucking-keir.

from the GNU version of the Collaborative International Dictionary of English.

• noun One who puffs; one who praises with noisy or extravagant commendation.
• noun One who is employed by the owner or seller of goods sold at suction to bid up the price; a by-bidder.
• noun Any plectognath fish which inflates its body, as the species of Tetrodon and Diodon of the family Tetraodontidae; -- called also blower, puff-fish, swellfish, and globefish. They are highly poisonous due to the presence of glands containing a potent toxin, tetrodotoxin. Nevertheless they are eaten as a delicacy in Japan, being prepared by specially licensed chefs who remove the poison glands.
• noun The common, or harbor, porpoise.
• noun (Dyeing) A kier.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Someone or something that puffs.
• noun Any of several poisonous fish, of the family Tetraodontidae, which have the ability to puff themselves up when in danger.
• noun slang A car left idling to warm up, emitting steam from the rear.
• noun cellular automata A finite pattern that moves like a spaceship but leaves a trail of debris.
• noun A manually-operated inhaler.
• noun childish A train; a locomotive.
• noun dated, slang One who is employed by the owner or seller of goods sold at auction to bid up the price; a by-bidder.
• noun The common, or harbour, porpoise.
• noun A kier used in dyeing.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun any of numerous marine fishes whose elongated spiny body can inflate itself with water or air to form a globe; several species contain a potent nerve poison; closely related to spiny puffers
• noun delicacy that is highly dangerous because of a potent nerve poison in ovaries and liver